1NEWS 2==== 3 4This file gives a brief overview of the major changes between each OpenSSL 5release. For more details please read the CHANGES file. 6 7OpenSSL Releases 8---------------- 9 10 - [OpenSSL 3.0](#openssl-30) 11 - [OpenSSL 1.1.1](#openssl-111) 12 - [OpenSSL 1.1.0](#openssl-110) 13 - [OpenSSL 1.0.2](#openssl-102) 14 - [OpenSSL 1.0.1](#openssl-101) 15 - [OpenSSL 1.0.0](#openssl-100) 16 - [OpenSSL 0.9.x](#openssl-09x) 17 18OpenSSL 3.0 19----------- 20 21### Major changes between OpenSSL 3.0.15 and OpenSSL 3.0.16 [11 Feb 2025] 22 23OpenSSL 3.0.16 is a security patch release. The most severe CVE fixed in this 24release is Low. 25 26This release incorporates the following bug fixes and mitigations: 27 28 * Fixed timing side-channel in ECDSA signature computation. 29 ([CVE-2024-13176]) 30 31 * Fixed possible OOB memory access with invalid low-level GF(2^m) elliptic 32 curve parameters. 33 ([CVE-2024-9143]) 34 35### Major changes between OpenSSL 3.0.14 and OpenSSL 3.0.15 [3 Sep 2024] 36 37OpenSSL 3.0.15 is a security patch release. The most severe CVE fixed in this 38release is Moderate. 39 40This release incorporates the following bug fixes and mitigations: 41 42 * Fixed possible denial of service in X.509 name checks 43 ([CVE-2024-6119]) 44 45 * Fixed possible buffer overread in SSL_select_next_proto() 46 ([CVE-2024-5535]) 47 48### Major changes between OpenSSL 3.0.13 and OpenSSL 3.0.14 [4 Jun 2024] 49 50 * Fixed potential use after free after SSL_free_buffers() is called 51 ([CVE-2024-4741]) 52 53 * Fixed an issue where checking excessively long DSA keys or parameters may 54 be very slow 55 ([CVE-2024-4603]) 56 57 * Fixed unbounded memory growth with session handling in TLSv1.3 58 ([CVE-2024-2511]) 59 60### Major changes between OpenSSL 3.0.12 and OpenSSL 3.0.13 [30 Jan 2024] 61 62 * Fixed PKCS12 Decoding crashes 63 ([CVE-2024-0727]) 64 * Fixed Excessive time spent checking invalid RSA public keys 65 ([CVE-2023-6237]) 66 * Fixed POLY1305 MAC implementation corrupting vector registers on PowerPC 67 CPUs which support PowerISA 2.07 68 ([CVE-2023-6129]) 69 * Fix excessive time spent in DH check / generation with large Q parameter 70 value ([CVE-2023-5678]) 71 72### Major changes between OpenSSL 3.0.11 and OpenSSL 3.0.12 [24 Oct 2023] 73 74 * Mitigate incorrect resize handling for symmetric cipher keys and IVs. 75 ([CVE-2023-5363]) 76 77### Major changes between OpenSSL 3.0.10 and OpenSSL 3.0.11 [19 Sep 2023] 78 79 * Fix POLY1305 MAC implementation corrupting XMM registers on Windows 80 ([CVE-2023-4807]) 81 82### Major changes between OpenSSL 3.0.9 and OpenSSL 3.0.10 [1 Aug 2023] 83 84 * Fix excessive time spent checking DH q parameter value ([CVE-2023-3817]) 85 * Fix DH_check() excessive time with over sized modulus ([CVE-2023-3446]) 86 * Do not ignore empty associated data entries with AES-SIV ([CVE-2023-2975]) 87 88### Major changes between OpenSSL 3.0.8 and OpenSSL 3.0.9 [30 May 2023] 89 90 * Mitigate for very slow `OBJ_obj2txt()` performance with gigantic OBJECT 91 IDENTIFIER sub-identities. ([CVE-2023-2650]) 92 * Fixed buffer overread in AES-XTS decryption on ARM 64 bit platforms 93 ([CVE-2023-1255]) 94 * Fixed documentation of X509_VERIFY_PARAM_add0_policy() ([CVE-2023-0466]) 95 * Fixed handling of invalid certificate policies in leaf certificates 96 ([CVE-2023-0465]) 97 * Limited the number of nodes created in a policy tree ([CVE-2023-0464]) 98 99### Major changes between OpenSSL 3.0.7 and OpenSSL 3.0.8 [7 Feb 2023] 100 101 * Fixed NULL dereference during PKCS7 data verification ([CVE-2023-0401]) 102 * Fixed X.400 address type confusion in X.509 GeneralName ([CVE-2023-0286]) 103 * Fixed NULL dereference validating DSA public key ([CVE-2023-0217]) 104 * Fixed Invalid pointer dereference in d2i_PKCS7 functions ([CVE-2023-0216]) 105 * Fixed Use-after-free following BIO_new_NDEF ([CVE-2023-0215]) 106 * Fixed Double free after calling PEM_read_bio_ex ([CVE-2022-4450]) 107 * Fixed Timing Oracle in RSA Decryption ([CVE-2022-4304]) 108 * Fixed X.509 Name Constraints Read Buffer Overflow ([CVE-2022-4203]) 109 * Fixed X.509 Policy Constraints Double Locking ([CVE-2022-3996]) 110 111### Major changes between OpenSSL 3.0.6 and OpenSSL 3.0.7 [1 Nov 2022] 112 113 * Added RIPEMD160 to the default provider. 114 * Fixed regressions introduced in 3.0.6 version. 115 * Fixed two buffer overflows in punycode decoding functions. 116 ([CVE-2022-3786]) and ([CVE-2022-3602]) 117 118### Major changes between OpenSSL 3.0.5 and OpenSSL 3.0.6 [11 Oct 2022] 119 120 * Fix for custom ciphers to prevent accidental use of NULL encryption 121 ([CVE-2022-3358]) 122 123### Major changes between OpenSSL 3.0.4 and OpenSSL 3.0.5 [5 Jul 2022] 124 125 * Fixed heap memory corruption with RSA private key operation 126 ([CVE-2022-2274]) 127 * Fixed AES OCB failure to encrypt some bytes on 32-bit x86 platforms 128 ([CVE-2022-2097]) 129 130### Major changes between OpenSSL 3.0.3 and OpenSSL 3.0.4 [21 Jun 2022] 131 132 * Fixed additional bugs in the c_rehash script which was not properly 133 sanitising shell metacharacters to prevent command injection 134 ([CVE-2022-2068]) 135 136### Major changes between OpenSSL 3.0.2 and OpenSSL 3.0.3 [3 May 2022] 137 138 * Fixed a bug in the c_rehash script which was not properly sanitising shell 139 metacharacters to prevent command injection ([CVE-2022-1292]) 140 * Fixed a bug in the function `OCSP_basic_verify` that verifies the signer 141 certificate on an OCSP response ([CVE-2022-1343]) 142 * Fixed a bug where the RC4-MD5 ciphersuite incorrectly used the 143 AAD data as the MAC key ([CVE-2022-1434]) 144 * Fix a bug in the OPENSSL_LH_flush() function that breaks reuse of the memory 145 occuppied by the removed hash table entries ([CVE-2022-1473]) 146 147### Major changes between OpenSSL 3.0.1 and OpenSSL 3.0.2 [15 Mar 2022] 148 149 * Fixed a bug in the BN_mod_sqrt() function that can cause it to loop forever 150 for non-prime moduli ([CVE-2022-0778]) 151 152### Major changes between OpenSSL 3.0.0 and OpenSSL 3.0.1 [14 Dec 2021] 153 154 * Fixed invalid handling of X509_verify_cert() internal errors in libssl 155 ([CVE-2021-4044]) 156 * Allow fetching an operation from the provider that owns an unexportable key 157 as a fallback if that is still allowed by the property query. 158 159### Major changes between OpenSSL 1.1.1 and OpenSSL 3.0.0 [7 sep 2021] 160 161 * Enhanced 'openssl list' with many new options. 162 * Added migration guide to man7. 163 * Implemented support for fully "pluggable" TLSv1.3 groups. 164 * Added suport for Kernel TLS (KTLS). 165 * Changed the license to the Apache License v2.0. 166 * Moved all variations of the EVP ciphers CAST5, BF, IDEA, SEED, RC2, 167 RC4, RC5, and DES to the legacy provider. 168 * Moved the EVP digests MD2, MD4, MDC2, WHIRLPOOL and RIPEMD-160 to the legacy 169 provider. 170 * Added convenience functions for generating asymmetric key pairs. 171 * Deprecated the `OCSP_REQ_CTX` type and functions. 172 * Deprecated the `EC_KEY` and `EC_KEY_METHOD` types and functions. 173 * Deprecated the `RSA` and `RSA_METHOD` types and functions. 174 * Deprecated the `DSA` and `DSA_METHOD` types and functions. 175 * Deprecated the `DH` and `DH_METHOD` types and functions. 176 * Deprecated the `ERR_load_` functions. 177 * Remove the `RAND_DRBG` API. 178 * Deprecated the `ENGINE` API. 179 * Added `OSSL_LIB_CTX`, a libcrypto library context. 180 * Added various `_ex` functions to the OpenSSL API that support using 181 a non-default `OSSL_LIB_CTX`. 182 * Interactive mode is removed from the 'openssl' program. 183 * The X25519, X448, Ed25519, Ed448, SHAKE128 and SHAKE256 algorithms are 184 included in the FIPS provider. 185 * X509 certificates signed using SHA1 are no longer allowed at security 186 level 1 or higher. The default security level for TLS is 1, so 187 certificates signed using SHA1 are by default no longer trusted to 188 authenticate servers or clients. 189 * enable-crypto-mdebug and enable-crypto-mdebug-backtrace were mostly 190 disabled; the project uses address sanitize/leak-detect instead. 191 * Added a Certificate Management Protocol (CMP, RFC 4210) implementation 192 also covering CRMF (RFC 4211) and HTTP transfer (RFC 6712). 193 It is part of the crypto lib and adds a 'cmp' app with a demo configuration. 194 All widely used CMP features are supported for both clients and servers. 195 * Added a proper HTTP client supporting GET with optional redirection, POST, 196 arbitrary request and response content types, TLS, persistent connections, 197 connections via HTTP(s) proxies, connections and exchange via user-defined 198 BIOs (allowing implicit connections), and timeout checks. 199 * Added util/check-format.pl for checking adherence to the coding guidelines. 200 * Added OSSL_ENCODER, a generic encoder API. 201 * Added OSSL_DECODER, a generic decoder API. 202 * Added OSSL_PARAM_BLD, an easier to use API to OSSL_PARAM. 203 * Added error raising macros, ERR_raise() and ERR_raise_data(). 204 * Deprecated ERR_put_error(), ERR_get_error_line(), ERR_get_error_line_data(), 205 ERR_peek_error_line_data(), ERR_peek_last_error_line_data() and 206 ERR_func_error_string(). 207 * Added OSSL_PROVIDER_available(), to check provider availibility. 208 * Added 'openssl mac' that uses the EVP_MAC API. 209 * Added 'openssl kdf' that uses the EVP_KDF API. 210 * Add OPENSSL_info() and 'openssl info' to get built-in data. 211 * Add support for enabling instrumentation through trace and debug 212 output. 213 * Changed our version number scheme and set the next major release to 214 3.0.0 215 * Added EVP_MAC, an EVP layer MAC API, and a generic EVP_PKEY to EVP_MAC 216 bridge. Supported MACs are: BLAKE2, CMAC, GMAC, HMAC, KMAC, POLY1305 217 and SIPHASH. 218 * Removed the heartbeat message in DTLS feature. 219 * Added EVP_KDF, an EVP layer KDF and PRF API, and a generic EVP_PKEY to 220 EVP_KDF bridge. Supported KDFs are: HKDF, KBKDF, KRB5 KDF, PBKDF2, 221 PKCS12 KDF, SCRYPT, SSH KDF, SSKDF, TLS1 PRF, X9.42 KDF and X9.63 KDF. 222 * All of the low-level MD2, MD4, MD5, MDC2, RIPEMD160, SHA1, SHA224, 223 SHA256, SHA384, SHA512 and Whirlpool digest functions have been 224 deprecated. 225 * All of the low-level AES, Blowfish, Camellia, CAST, DES, IDEA, RC2, 226 RC4, RC5 and SEED cipher functions have been deprecated. 227 * All of the low-level DH, DSA, ECDH, ECDSA and RSA public key functions 228 have been deprecated. 229 * SSL 3, TLS 1.0, TLS 1.1, and DTLS 1.0 only work at security level 0, 230 except when RSA key exchange without SHA1 is used. 231 * Added providers, a new pluggability concept that will replace the 232 ENGINE API and ENGINE implementations. 233 234OpenSSL 1.1.1 235------------- 236 237### Major changes between OpenSSL 1.1.1k and OpenSSL 1.1.1l [24 Aug 2021] 238 239 * Fixed an SM2 Decryption Buffer Overflow ([CVE-2021-3711]) 240 * Fixed various read buffer overruns processing ASN.1 strings ([CVE-2021-3712]) 241 242### Major changes between OpenSSL 1.1.1j and OpenSSL 1.1.1k [25 Mar 2021] 243 244 * Fixed a problem with verifying a certificate chain when using the 245 X509_V_FLAG_X509_STRICT flag ([CVE-2021-3450]) 246 * Fixed an issue where an OpenSSL TLS server may crash if sent a maliciously 247 crafted renegotiation ClientHello message from a client ([CVE-2021-3449]) 248 249### Major changes between OpenSSL 1.1.1i and OpenSSL 1.1.1j [16 Feb 2021] 250 251 * Fixed a NULL pointer deref in the X509_issuer_and_serial_hash() 252 function ([CVE-2021-23841]) 253 * Fixed the RSA_padding_check_SSLv23() function and the RSA_SSLV23_PADDING 254 padding mode to correctly check for rollback attacks 255 * Fixed an overflow in the EVP_CipherUpdate, EVP_EncryptUpdate and 256 EVP_DecryptUpdate functions ([CVE-2021-23840]) 257 * Fixed SRP_Calc_client_key so that it runs in constant time 258 259### Major changes between OpenSSL 1.1.1h and OpenSSL 1.1.1i [8 Dec 2020] 260 261 * Fixed NULL pointer deref in GENERAL_NAME_cmp ([CVE-2020-1971]) 262 263### Major changes between OpenSSL 1.1.1g and OpenSSL 1.1.1h [22 Sep 2020] 264 265 * Disallow explicit curve parameters in verifications chains when 266 X509_V_FLAG_X509_STRICT is used 267 * Enable 'MinProtocol' and 'MaxProtocol' to configure both TLS and DTLS 268 contexts 269 * Oracle Developer Studio will start reporting deprecation warnings 270 271### Major changes between OpenSSL 1.1.1f and OpenSSL 1.1.1g [21 Apr 2020] 272 273 * Fixed segmentation fault in SSL_check_chain() ([CVE-2020-1967]) 274 275### Major changes between OpenSSL 1.1.1e and OpenSSL 1.1.1f [31 Mar 2020] 276 277 * Revert the unexpected EOF reporting via SSL_ERROR_SSL 278 279### Major changes between OpenSSL 1.1.1d and OpenSSL 1.1.1e [17 Mar 2020] 280 281 * Fixed an overflow bug in the x64_64 Montgomery squaring procedure 282 used in exponentiation with 512-bit moduli ([CVE-2019-1551]) 283 284### Major changes between OpenSSL 1.1.1c and OpenSSL 1.1.1d [10 Sep 2019] 285 286 * Fixed a fork protection issue ([CVE-2019-1549]) 287 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey 288 ([CVE-2019-1563]) 289 * For built-in EC curves, ensure an EC_GROUP built from the curve name is 290 used even when parsing explicit parameters 291 * Compute ECC cofactors if not provided during EC_GROUP construction 292 ([CVE-2019-1547]) 293 * Early start up entropy quality from the DEVRANDOM seed source has been 294 improved for older Linux systems 295 * Correct the extended master secret constant on EBCDIC systems 296 * Use Windows installation paths in the mingw builds ([CVE-2019-1552]) 297 * Changed DH_check to accept parameters with order q and 2q subgroups 298 * Significantly reduce secure memory usage by the randomness pools 299 * Revert the DEVRANDOM_WAIT feature for Linux systems 300 301### Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019] 302 303 * Prevent over long nonces in ChaCha20-Poly1305 ([CVE-2019-1543]) 304 305### Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019] 306 307 * Change the info callback signals for the start and end of a post-handshake 308 message exchange in TLSv1.3. 309 * Fix a bug in DTLS over SCTP. This breaks interoperability with older 310 versions of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2. 311 312### Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018] 313 314 * Timing vulnerability in DSA signature generation ([CVE-2018-0734]) 315 * Timing vulnerability in ECDSA signature generation ([CVE-2018-0735]) 316 317### Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018] 318 319 * Support for TLSv1.3 added. The TLSv1.3 implementation includes: 320 * Fully compliant implementation of RFC8446 (TLSv1.3) on by default 321 * Early data (0-RTT) 322 * Post-handshake authentication and key update 323 * Middlebox Compatibility Mode 324 * TLSv1.3 PSKs 325 * Support for all five RFC8446 ciphersuites 326 * RSA-PSS signature algorithms (backported to TLSv1.2) 327 * Configurable session ticket support 328 * Stateless server support 329 * Rewrite of the packet construction code for "safer" packet handling 330 * Rewrite of the extension handling code 331 For further important information, see the [TLS1.3 page]( 332 https://wiki.openssl.org/index.php/TLS1.3) in the OpenSSL Wiki. 333 334 * Complete rewrite of the OpenSSL random number generator to introduce the 335 following capabilities 336 * The default RAND method now utilizes an AES-CTR DRBG according to 337 NIST standard SP 800-90Ar1. 338 * Support for multiple DRBG instances with seed chaining. 339 * There is a public and private DRBG instance. 340 * The DRBG instances are fork-safe. 341 * Keep all global DRBG instances on the secure heap if it is enabled. 342 * The public and private DRBG instance are per thread for lock free 343 operation 344 * Support for various new cryptographic algorithms including: 345 * SHA3 346 * SHA512/224 and SHA512/256 347 * EdDSA (both Ed25519 and Ed448) including X509 and TLS support 348 * X448 (adding to the existing X25519 support in 1.1.0) 349 * Multi-prime RSA 350 * SM2 351 * SM3 352 * SM4 353 * SipHash 354 * ARIA (including TLS support) 355 * Significant Side-Channel attack security improvements 356 * Add a new ClientHello callback to provide the ability to adjust the SSL 357 object at an early stage. 358 * Add 'Maximum Fragment Length' TLS extension negotiation and support 359 * A new STORE module, which implements a uniform and URI based reader of 360 stores that can contain keys, certificates, CRLs and numerous other 361 objects. 362 * Move the display of configuration data to configdata.pm. 363 * Allow GNU style "make variables" to be used with Configure. 364 * Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes 365 * Rewrite of devcrypto engine 366 367OpenSSL 1.1.0 368------------- 369 370### Major changes between OpenSSL 1.1.0k and OpenSSL 1.1.0l [10 Sep 2019] 371 372 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey 373 ([CVE-2019-1563]) 374 * For built-in EC curves, ensure an EC_GROUP built from the curve name is 375 used even when parsing explicit parameters 376 * Compute ECC cofactors if not provided during EC_GROUP construction 377 ([CVE-2019-1547]) 378 * Use Windows installation paths in the mingw builds ([CVE-2019-1552]) 379 380### Major changes between OpenSSL 1.1.0j and OpenSSL 1.1.0k [28 May 2019] 381 382 * Prevent over long nonces in ChaCha20-Poly1305 ([CVE-2019-1543]) 383 384### Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.0j [20 Nov 2018] 385 386 * Timing vulnerability in DSA signature generation ([CVE-2018-0734]) 387 * Timing vulnerability in ECDSA signature generation ([CVE-2018-0735]) 388 389### Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [14 Aug 2018] 390 391 * Client DoS due to large DH parameter ([CVE-2018-0732]) 392 * Cache timing vulnerability in RSA Key Generation ([CVE-2018-0737]) 393 394### Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [27 Mar 2018] 395 396 * Constructed ASN.1 types with a recursive definition could exceed the 397 stack ([CVE-2018-0739]) 398 * Incorrect CRYPTO_memcmp on HP-UX PA-RISC ([CVE-2018-0733]) 399 * rsaz_1024_mul_avx2 overflow bug on x86_64 ([CVE-2017-3738]) 400 401### Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017] 402 403 * bn_sqrx8x_internal carry bug on x86_64 ([CVE-2017-3736]) 404 * Malformed X.509 IPAddressFamily could cause OOB read ([CVE-2017-3735]) 405 406### Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017] 407 408 * config now recognises 64-bit mingw and chooses mingw64 instead of mingw 409 410### Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017] 411 412 * Encrypt-Then-Mac renegotiation crash ([CVE-2017-3733]) 413 414### Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017] 415 416 * Truncated packet could crash via OOB read ([CVE-2017-3731]) 417 * Bad (EC)DHE parameters cause a client crash ([CVE-2017-3730]) 418 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2017-3732]) 419 420### Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016] 421 422 * ChaCha20/Poly1305 heap-buffer-overflow ([CVE-2016-7054]) 423 * CMS Null dereference ([CVE-2016-7053]) 424 * Montgomery multiplication may produce incorrect results ([CVE-2016-7055]) 425 426### Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016] 427 428 * Fix Use After Free for large message sizes ([CVE-2016-6309]) 429 430### Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016] 431 432 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304]) 433 * SSL_peek() hang on empty record ([CVE-2016-6305]) 434 * Excessive allocation of memory in tls_get_message_header() 435 ([CVE-2016-6307]) 436 * Excessive allocation of memory in dtls1_preprocess_fragment() 437 ([CVE-2016-6308]) 438 439### Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016] 440 441 * Copyright text was shrunk to a boilerplate that points to the license 442 * "shared" builds are now the default when possible 443 * Added support for "pipelining" 444 * Added the AFALG engine 445 * New threading API implemented 446 * Support for ChaCha20 and Poly1305 added to libcrypto and libssl 447 * Support for extended master secret 448 * CCM ciphersuites 449 * Reworked test suite, now based on perl, Test::Harness and Test::More 450 * *Most* libcrypto and libssl public structures were made opaque, 451 including: 452 BIGNUM and associated types, EC_KEY and EC_KEY_METHOD, 453 DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD, 454 BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX, 455 EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX, 456 X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE, 457 X509_LOOKUP, X509_LOOKUP_METHOD 458 * libssl internal structures made opaque 459 * SSLv2 support removed 460 * Kerberos ciphersuite support removed 461 * RC4 removed from DEFAULT ciphersuites in libssl 462 * 40 and 56 bit cipher support removed from libssl 463 * All public header files moved to include/openssl, no more symlinking 464 * SSL/TLS state machine, version negotiation and record layer rewritten 465 * EC revision: now operations use new EC_KEY_METHOD. 466 * Support for OCB mode added to libcrypto 467 * Support for asynchronous crypto operations added to libcrypto and libssl 468 * Deprecated interfaces can now be disabled at build time either 469 relative to the latest release via the "no-deprecated" Configure 470 argument, or via the "--api=1.1.0|1.0.0|0.9.8" option. 471 * Application software can be compiled with -DOPENSSL_API_COMPAT=version 472 to ensure that features deprecated in that version are not exposed. 473 * Support for RFC6698/RFC7671 DANE TLSA peer authentication 474 * Change of Configure to use --prefix as the main installation 475 directory location rather than --openssldir. The latter becomes 476 the directory for certs, private key and openssl.cnf exclusively. 477 * Reworked BIO networking library, with full support for IPv6. 478 * New "unified" build system 479 * New security levels 480 * Support for scrypt algorithm 481 * Support for X25519 482 * Extended SSL_CONF support using configuration files 483 * KDF algorithm support. Implement TLS PRF as a KDF. 484 * Support for Certificate Transparency 485 * HKDF support. 486 487OpenSSL 1.0.2 488------------- 489 490### Major changes between OpenSSL 1.0.2s and OpenSSL 1.0.2t [10 Sep 2019] 491 492 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey 493 ([CVE-2019-1563]) 494 * For built-in EC curves, ensure an EC_GROUP built from the curve name is 495 used even when parsing explicit parameters 496 * Compute ECC cofactors if not provided during EC_GROUP construction 497 ([CVE-2019-1547]) 498 * Document issue with installation paths in diverse Windows builds 499 ([CVE-2019-1552]) 500 501### Major changes between OpenSSL 1.0.2r and OpenSSL 1.0.2s [28 May 2019] 502 503 * None 504 505### Major changes between OpenSSL 1.0.2q and OpenSSL 1.0.2r [26 Feb 2019] 506 507 * 0-byte record padding oracle ([CVE-2019-1559]) 508 509### Major changes between OpenSSL 1.0.2p and OpenSSL 1.0.2q [20 Nov 2018] 510 511 * Microarchitecture timing vulnerability in ECC scalar multiplication ([CVE-2018-5407]) 512 * Timing vulnerability in DSA signature generation ([CVE-2018-0734]) 513 514### Major changes between OpenSSL 1.0.2o and OpenSSL 1.0.2p [14 Aug 2018] 515 516 * Client DoS due to large DH parameter ([CVE-2018-0732]) 517 * Cache timing vulnerability in RSA Key Generation ([CVE-2018-0737]) 518 519### Major changes between OpenSSL 1.0.2n and OpenSSL 1.0.2o [27 Mar 2018] 520 521 * Constructed ASN.1 types with a recursive definition could exceed the 522 stack ([CVE-2018-0739]) 523 524### Major changes between OpenSSL 1.0.2m and OpenSSL 1.0.2n [7 Dec 2017] 525 526 * Read/write after SSL object in error state ([CVE-2017-3737]) 527 * rsaz_1024_mul_avx2 overflow bug on x86_64 ([CVE-2017-3738]) 528 529### Major changes between OpenSSL 1.0.2l and OpenSSL 1.0.2m [2 Nov 2017] 530 531 * bn_sqrx8x_internal carry bug on x86_64 ([CVE-2017-3736]) 532 * Malformed X.509 IPAddressFamily could cause OOB read ([CVE-2017-3735]) 533 534### Major changes between OpenSSL 1.0.2k and OpenSSL 1.0.2l [25 May 2017] 535 536 * config now recognises 64-bit mingw and chooses mingw64 instead of mingw 537 538### Major changes between OpenSSL 1.0.2j and OpenSSL 1.0.2k [26 Jan 2017] 539 540 * Truncated packet could crash via OOB read ([CVE-2017-3731]) 541 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2017-3732]) 542 * Montgomery multiplication may produce incorrect results ([CVE-2016-7055]) 543 544### Major changes between OpenSSL 1.0.2i and OpenSSL 1.0.2j [26 Sep 2016] 545 546 * Missing CRL sanity check ([CVE-2016-7052]) 547 548### Major changes between OpenSSL 1.0.2h and OpenSSL 1.0.2i [22 Sep 2016] 549 550 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304]) 551 * SWEET32 Mitigation ([CVE-2016-2183]) 552 * OOB write in MDC2_Update() ([CVE-2016-6303]) 553 * Malformed SHA512 ticket DoS ([CVE-2016-6302]) 554 * OOB write in BN_bn2dec() ([CVE-2016-2182]) 555 * OOB read in TS_OBJ_print_bio() ([CVE-2016-2180]) 556 * Pointer arithmetic undefined behaviour ([CVE-2016-2177]) 557 * Constant time flag not preserved in DSA signing ([CVE-2016-2178]) 558 * DTLS buffered message DoS ([CVE-2016-2179]) 559 * DTLS replay protection DoS ([CVE-2016-2181]) 560 * Certificate message OOB reads ([CVE-2016-6306]) 561 562### Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016] 563 564 * Prevent padding oracle in AES-NI CBC MAC check ([CVE-2016-2107]) 565 * Fix EVP_EncodeUpdate overflow ([CVE-2016-2105]) 566 * Fix EVP_EncryptUpdate overflow ([CVE-2016-2106]) 567 * Prevent ASN.1 BIO excessive memory allocation ([CVE-2016-2109]) 568 * EBCDIC overread ([CVE-2016-2176]) 569 * Modify behavior of ALPN to invoke callback after SNI/servername 570 callback, such that updates to the SSL_CTX affect ALPN. 571 * Remove LOW from the DEFAULT cipher list. This removes singles DES from 572 the default. 573 * Only remove the SSLv2 methods with the no-ssl2-method option. 574 575### Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016] 576 577 * Disable weak ciphers in SSLv3 and up in default builds of OpenSSL. 578 * Disable SSLv2 default build, default negotiation and weak ciphers 579 ([CVE-2016-0800]) 580 * Fix a double-free in DSA code ([CVE-2016-0705]) 581 * Disable SRP fake user seed to address a server memory leak 582 ([CVE-2016-0798]) 583 * Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption 584 ([CVE-2016-0797]) 585 * Fix memory issues in BIO_*printf functions ([CVE-2016-0799]) 586 * Fix side channel attack on modular exponentiation ([CVE-2016-0702]) 587 588### Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016] 589 590 * DH small subgroups ([CVE-2016-0701]) 591 * SSLv2 doesn't block disabled ciphers ([CVE-2015-3197]) 592 593### Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015] 594 595 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2015-3193]) 596 * Certificate verify crash with missing PSS parameter ([CVE-2015-3194]) 597 * X509_ATTRIBUTE memory leak ([CVE-2015-3195]) 598 * Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs 599 * In DSA_generate_parameters_ex, if the provided seed is too short, 600 return an error 601 602### Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015] 603 604 * Alternate chains certificate forgery ([CVE-2015-1793]) 605 * Race condition handling PSK identify hint ([CVE-2015-3196]) 606 607### Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015] 608 609 * Fix HMAC ABI incompatibility 610 611### Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015] 612 613 * Malformed ECParameters causes infinite loop ([CVE-2015-1788]) 614 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789]) 615 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790]) 616 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792]) 617 * Race condition handling NewSessionTicket ([CVE-2015-1791]) 618 619### Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015] 620 621 * OpenSSL 1.0.2 ClientHello sigalgs DoS fix ([CVE-2015-0291]) 622 * Multiblock corrupted pointer fix ([CVE-2015-0290]) 623 * Segmentation fault in DTLSv1_listen fix ([CVE-2015-0207]) 624 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286]) 625 * Segmentation fault for invalid PSS parameters fix ([CVE-2015-0208]) 626 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287]) 627 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289]) 628 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293]) 629 * Empty CKE with client auth and DHE fix ([CVE-2015-1787]) 630 * Handshake with unseeded PRNG fix ([CVE-2015-0285]) 631 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209]) 632 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288]) 633 * Removed the export ciphers from the DEFAULT ciphers 634 635### Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015] 636 637 * Suite B support for TLS 1.2 and DTLS 1.2 638 * Support for DTLS 1.2 639 * TLS automatic EC curve selection. 640 * API to set TLS supported signature algorithms and curves 641 * SSL_CONF configuration API. 642 * TLS Brainpool support. 643 * ALPN support. 644 * CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH. 645 646OpenSSL 1.0.1 647------------- 648 649### Major changes between OpenSSL 1.0.1t and OpenSSL 1.0.1u [22 Sep 2016] 650 651 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304]) 652 * SWEET32 Mitigation ([CVE-2016-2183]) 653 * OOB write in MDC2_Update() ([CVE-2016-6303]) 654 * Malformed SHA512 ticket DoS ([CVE-2016-6302]) 655 * OOB write in BN_bn2dec() ([CVE-2016-2182]) 656 * OOB read in TS_OBJ_print_bio() ([CVE-2016-2180]) 657 * Pointer arithmetic undefined behaviour ([CVE-2016-2177]) 658 * Constant time flag not preserved in DSA signing ([CVE-2016-2178]) 659 * DTLS buffered message DoS ([CVE-2016-2179]) 660 * DTLS replay protection DoS ([CVE-2016-2181]) 661 * Certificate message OOB reads ([CVE-2016-6306]) 662 663### Major changes between OpenSSL 1.0.1s and OpenSSL 1.0.1t [3 May 2016] 664 665 * Prevent padding oracle in AES-NI CBC MAC check ([CVE-2016-2107]) 666 * Fix EVP_EncodeUpdate overflow ([CVE-2016-2105]) 667 * Fix EVP_EncryptUpdate overflow ([CVE-2016-2106]) 668 * Prevent ASN.1 BIO excessive memory allocation ([CVE-2016-2109]) 669 * EBCDIC overread ([CVE-2016-2176]) 670 * Modify behavior of ALPN to invoke callback after SNI/servername 671 callback, such that updates to the SSL_CTX affect ALPN. 672 * Remove LOW from the DEFAULT cipher list. This removes singles DES from 673 the default. 674 * Only remove the SSLv2 methods with the no-ssl2-method option. 675 676### Major changes between OpenSSL 1.0.1r and OpenSSL 1.0.1s [1 Mar 2016] 677 678 * Disable weak ciphers in SSLv3 and up in default builds of OpenSSL. 679 * Disable SSLv2 default build, default negotiation and weak ciphers 680 ([CVE-2016-0800]) 681 * Fix a double-free in DSA code ([CVE-2016-0705]) 682 * Disable SRP fake user seed to address a server memory leak 683 ([CVE-2016-0798]) 684 * Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption 685 ([CVE-2016-0797]) 686 * Fix memory issues in BIO_*printf functions ([CVE-2016-0799]) 687 * Fix side channel attack on modular exponentiation ([CVE-2016-0702]) 688 689### Major changes between OpenSSL 1.0.1q and OpenSSL 1.0.1r [28 Jan 2016] 690 691 * Protection for DH small subgroup attacks 692 * SSLv2 doesn't block disabled ciphers ([CVE-2015-3197]) 693 694### Major changes between OpenSSL 1.0.1p and OpenSSL 1.0.1q [3 Dec 2015] 695 696 * Certificate verify crash with missing PSS parameter ([CVE-2015-3194]) 697 * X509_ATTRIBUTE memory leak ([CVE-2015-3195]) 698 * Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs 699 * In DSA_generate_parameters_ex, if the provided seed is too short, 700 return an error 701 702### Major changes between OpenSSL 1.0.1o and OpenSSL 1.0.1p [9 Jul 2015] 703 704 * Alternate chains certificate forgery ([CVE-2015-1793]) 705 * Race condition handling PSK identify hint ([CVE-2015-3196]) 706 707### Major changes between OpenSSL 1.0.1n and OpenSSL 1.0.1o [12 Jun 2015] 708 709 * Fix HMAC ABI incompatibility 710 711### Major changes between OpenSSL 1.0.1m and OpenSSL 1.0.1n [11 Jun 2015] 712 713 * Malformed ECParameters causes infinite loop ([CVE-2015-1788]) 714 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789]) 715 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790]) 716 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792]) 717 * Race condition handling NewSessionTicket ([CVE-2015-1791]) 718 719### Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.1m [19 Mar 2015] 720 721 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286]) 722 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287]) 723 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289]) 724 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293]) 725 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209]) 726 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288]) 727 * Removed the export ciphers from the DEFAULT ciphers 728 729### Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015] 730 731 * Build fixes for the Windows and OpenVMS platforms 732 733### Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015] 734 735 * Fix for [CVE-2014-3571] 736 * Fix for [CVE-2015-0206] 737 * Fix for [CVE-2014-3569] 738 * Fix for [CVE-2014-3572] 739 * Fix for [CVE-2015-0204] 740 * Fix for [CVE-2015-0205] 741 * Fix for [CVE-2014-8275] 742 * Fix for [CVE-2014-3570] 743 744### Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014] 745 746 * Fix for [CVE-2014-3513] 747 * Fix for [CVE-2014-3567] 748 * Mitigation for [CVE-2014-3566] (SSL protocol vulnerability) 749 * Fix for [CVE-2014-3568] 750 751### Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014] 752 753 * Fix for [CVE-2014-3512] 754 * Fix for [CVE-2014-3511] 755 * Fix for [CVE-2014-3510] 756 * Fix for [CVE-2014-3507] 757 * Fix for [CVE-2014-3506] 758 * Fix for [CVE-2014-3505] 759 * Fix for [CVE-2014-3509] 760 * Fix for [CVE-2014-5139] 761 * Fix for [CVE-2014-3508] 762 763### Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014] 764 765 * Fix for [CVE-2014-0224] 766 * Fix for [CVE-2014-0221] 767 * Fix for [CVE-2014-0198] 768 * Fix for [CVE-2014-0195] 769 * Fix for [CVE-2014-3470] 770 * Fix for [CVE-2010-5298] 771 772### Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014] 773 774 * Fix for [CVE-2014-0160] 775 * Add TLS padding extension workaround for broken servers. 776 * Fix for [CVE-2014-0076] 777 778### Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014] 779 780 * Don't include gmt_unix_time in TLS server and client random values 781 * Fix for TLS record tampering bug ([CVE-2013-4353]) 782 * Fix for TLS version checking bug ([CVE-2013-6449]) 783 * Fix for DTLS retransmission bug ([CVE-2013-6450]) 784 785### Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013] 786 787 * Corrected fix for ([CVE-2013-0169]) 788 789### Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013] 790 791 * Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version. 792 * Include the fips configuration module. 793 * Fix OCSP bad key DoS attack ([CVE-2013-0166]) 794 * Fix for SSL/TLS/DTLS CBC plaintext recovery attack ([CVE-2013-0169]) 795 * Fix for TLS AESNI record handling flaw ([CVE-2012-2686]) 796 797### Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012] 798 799 * Fix TLS/DTLS record length checking bug ([CVE-2012-2333]) 800 * Don't attempt to use non-FIPS composite ciphers in FIPS mode. 801 802### Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012] 803 804 * Fix compilation error on non-x86 platforms. 805 * Make FIPS capable OpenSSL ciphers work in non-FIPS mode. 806 * Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0 807 808### Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012] 809 810 * Fix for ASN1 overflow bug ([CVE-2012-2110]) 811 * Workarounds for some servers that hang on long client hellos. 812 * Fix SEGV in AES code. 813 814### Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012] 815 816 * TLS/DTLS heartbeat support. 817 * SCTP support. 818 * RFC 5705 TLS key material exporter. 819 * RFC 5764 DTLS-SRTP negotiation. 820 * Next Protocol Negotiation. 821 * PSS signatures in certificates, requests and CRLs. 822 * Support for password based recipient info for CMS. 823 * Support TLS v1.2 and TLS v1.1. 824 * Preliminary FIPS capability for unvalidated 2.0 FIPS module. 825 * SRP support. 826 827OpenSSL 1.0.0 828------------- 829 830### Major changes between OpenSSL 1.0.0s and OpenSSL 1.0.0t [3 Dec 2015] 831 832 * X509_ATTRIBUTE memory leak (([CVE-2015-3195])) 833 * Race condition handling PSK identify hint ([CVE-2015-3196]) 834 835### Major changes between OpenSSL 1.0.0r and OpenSSL 1.0.0s [11 Jun 2015] 836 837 * Malformed ECParameters causes infinite loop ([CVE-2015-1788]) 838 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789]) 839 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790]) 840 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792]) 841 * Race condition handling NewSessionTicket ([CVE-2015-1791]) 842 843### Major changes between OpenSSL 1.0.0q and OpenSSL 1.0.0r [19 Mar 2015] 844 845 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286]) 846 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287]) 847 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289]) 848 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293]) 849 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209]) 850 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288]) 851 * Removed the export ciphers from the DEFAULT ciphers 852 853### Major changes between OpenSSL 1.0.0p and OpenSSL 1.0.0q [15 Jan 2015] 854 855 * Build fixes for the Windows and OpenVMS platforms 856 857### Major changes between OpenSSL 1.0.0o and OpenSSL 1.0.0p [8 Jan 2015] 858 859 * Fix for [CVE-2014-3571] 860 * Fix for [CVE-2015-0206] 861 * Fix for [CVE-2014-3569] 862 * Fix for [CVE-2014-3572] 863 * Fix for [CVE-2015-0204] 864 * Fix for [CVE-2015-0205] 865 * Fix for [CVE-2014-8275] 866 * Fix for [CVE-2014-3570] 867 868### Major changes between OpenSSL 1.0.0n and OpenSSL 1.0.0o [15 Oct 2014] 869 870 * Fix for [CVE-2014-3513] 871 * Fix for [CVE-2014-3567] 872 * Mitigation for [CVE-2014-3566] (SSL protocol vulnerability) 873 * Fix for [CVE-2014-3568] 874 875### Major changes between OpenSSL 1.0.0m and OpenSSL 1.0.0n [6 Aug 2014] 876 877 * Fix for [CVE-2014-3510] 878 * Fix for [CVE-2014-3507] 879 * Fix for [CVE-2014-3506] 880 * Fix for [CVE-2014-3505] 881 * Fix for [CVE-2014-3509] 882 * Fix for [CVE-2014-3508] 883 884 Known issues in OpenSSL 1.0.0m: 885 886 * EAP-FAST and other applications using tls_session_secret_cb 887 won't resume sessions. Fixed in 1.0.0n-dev 888 * Compilation failure of s3_pkt.c on some platforms due to missing 889 `<limits.h>` include. Fixed in 1.0.0n-dev 890 891### Major changes between OpenSSL 1.0.0l and OpenSSL 1.0.0m [5 Jun 2014] 892 893 * Fix for [CVE-2014-0224] 894 * Fix for [CVE-2014-0221] 895 * Fix for [CVE-2014-0198] 896 * Fix for [CVE-2014-0195] 897 * Fix for [CVE-2014-3470] 898 * Fix for [CVE-2014-0076] 899 * Fix for [CVE-2010-5298] 900 901### Major changes between OpenSSL 1.0.0k and OpenSSL 1.0.0l [6 Jan 2014] 902 903 * Fix for DTLS retransmission bug ([CVE-2013-6450]) 904 905### Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013] 906 907 * Fix for SSL/TLS/DTLS CBC plaintext recovery attack ([CVE-2013-0169]) 908 * Fix OCSP bad key DoS attack ([CVE-2013-0166]) 909 910### Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012] 911 912 * Fix DTLS record length checking bug ([CVE-2012-2333]) 913 914### Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012] 915 916 * Fix for ASN1 overflow bug ([CVE-2012-2110]) 917 918### Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012] 919 920 * Fix for CMS/PKCS#7 MMA ([CVE-2012-0884]) 921 * Corrected fix for ([CVE-2011-4619]) 922 * Various DTLS fixes. 923 924### Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012] 925 926 * Fix for DTLS DoS issue ([CVE-2012-0050]) 927 928### Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012] 929 930 * Fix for DTLS plaintext recovery attack ([CVE-2011-4108]) 931 * Clear block padding bytes of SSL 3.0 records ([CVE-2011-4576]) 932 * Only allow one SGC handshake restart for SSL/TLS ([CVE-2011-4619]) 933 * Check parameters are not NULL in GOST ENGINE ([CVE-2012-0027]) 934 * Check for malformed RFC3779 data ([CVE-2011-4577]) 935 936### Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011] 937 938 * Fix for CRL vulnerability issue ([CVE-2011-3207]) 939 * Fix for ECDH crashes ([CVE-2011-3210]) 940 * Protection against EC timing attacks. 941 * Support ECDH ciphersuites for certificates using SHA2 algorithms. 942 * Various DTLS fixes. 943 944### Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011] 945 946 * Fix for security issue ([CVE-2011-0014]) 947 948### Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010] 949 950 * Fix for security issue ([CVE-2010-4180]) 951 * Fix for ([CVE-2010-4252]) 952 * Fix mishandling of absent EC point format extension. 953 * Fix various platform compilation issues. 954 * Corrected fix for security issue ([CVE-2010-3864]). 955 956### Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010] 957 958 * Fix for security issue ([CVE-2010-3864]). 959 * Fix for ([CVE-2010-2939]) 960 * Fix WIN32 build system for GOST ENGINE. 961 962### Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010] 963 964 * Fix for security issue ([CVE-2010-1633]). 965 * GOST MAC and CFB fixes. 966 967### Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010] 968 969 * RFC3280 path validation: sufficient to process PKITS tests. 970 * Integrated support for PVK files and keyblobs. 971 * Change default private key format to PKCS#8. 972 * CMS support: able to process all examples in RFC4134 973 * Streaming ASN1 encode support for PKCS#7 and CMS. 974 * Multiple signer and signer add support for PKCS#7 and CMS. 975 * ASN1 printing support. 976 * Whirlpool hash algorithm added. 977 * RFC3161 time stamp support. 978 * New generalised public key API supporting ENGINE based algorithms. 979 * New generalised public key API utilities. 980 * New ENGINE supporting GOST algorithms. 981 * SSL/TLS GOST ciphersuite support. 982 * PKCS#7 and CMS GOST support. 983 * RFC4279 PSK ciphersuite support. 984 * Supported points format extension for ECC ciphersuites. 985 * ecdsa-with-SHA224/256/384/512 signature types. 986 * dsa-with-SHA224 and dsa-with-SHA256 signature types. 987 * Opaque PRF Input TLS extension support. 988 * Updated time routines to avoid OS limitations. 989 990OpenSSL 0.9.x 991------------- 992 993### Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010] 994 995 * CFB cipher definition fixes. 996 * Fix security issues [CVE-2010-0740] and [CVE-2010-0433]. 997 998### Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010] 999 1000 * Cipher definition fixes. 1001 * Workaround for slow RAND_poll() on some WIN32 versions. 1002 * Remove MD2 from algorithm tables. 1003 * SPKAC handling fixes. 1004 * Support for RFC5746 TLS renegotiation extension. 1005 * Compression memory leak fixed. 1006 * Compression session resumption fixed. 1007 * Ticket and SNI coexistence fixes. 1008 * Many fixes to DTLS handling. 1009 1010### Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009] 1011 1012 * Temporary work around for [CVE-2009-3555]: disable renegotiation. 1013 1014### Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009] 1015 1016 * Fix various build issues. 1017 * Fix security issues [CVE-2009-0590], [CVE-2009-0591], [CVE-2009-0789] 1018 1019### Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009] 1020 1021 * Fix security issue ([CVE-2008-5077]) 1022 * Merge FIPS 140-2 branch code. 1023 1024### Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008] 1025 1026 * CryptoAPI ENGINE support. 1027 * Various precautionary measures. 1028 * Fix for bugs affecting certificate request creation. 1029 * Support for local machine keyset attribute in PKCS#12 files. 1030 1031### Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007] 1032 1033 * Backport of CMS functionality to 0.9.8. 1034 * Fixes for bugs introduced with 0.9.8f. 1035 1036### Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007] 1037 1038 * Add gcc 4.2 support. 1039 * Add support for AES and SSE2 assembly language optimization 1040 for VC++ build. 1041 * Support for RFC4507bis and server name extensions if explicitly 1042 selected at compile time. 1043 * DTLS improvements. 1044 * RFC4507bis support. 1045 * TLS Extensions support. 1046 1047### Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007] 1048 1049 * Various ciphersuite selection fixes. 1050 * RFC3779 support. 1051 1052### Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006] 1053 1054 * Introduce limits to prevent malicious key DoS ([CVE-2006-2940]) 1055 * Fix security issues [CVE-2006-2937], [CVE-2006-3737], [CVE-2006-4343] 1056 * Changes to ciphersuite selection algorithm 1057 1058### Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006] 1059 1060 * Fix Daniel Bleichenbacher forged signature attack, [CVE-2006-4339] 1061 * New cipher Camellia 1062 1063### Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006] 1064 1065 * Cipher string fixes. 1066 * Fixes for VC++ 2005. 1067 * Updated ECC cipher suite support. 1068 * New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 1069 * Zlib compression usage fixes. 1070 * Built in dynamic engine compilation support on Win32. 1071 * Fixes auto dynamic engine loading in Win32. 1072 1073### Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005] 1074 1075 * Fix potential SSL 2.0 rollback ([CVE-2005-2969]) 1076 * Extended Windows CE support 1077 1078### Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005] 1079 1080 * Major work on the BIGNUM library for higher efficiency and to 1081 make operations more streamlined and less contradictory. This 1082 is the result of a major audit of the BIGNUM library. 1083 * Addition of BIGNUM functions for fields GF(2^m) and NIST 1084 curves, to support the Elliptic Crypto functions. 1085 * Major work on Elliptic Crypto; ECDH and ECDSA added, including 1086 the use through EVP, X509 and ENGINE. 1087 * New ASN.1 mini-compiler that's usable through the OpenSSL 1088 configuration file. 1089 * Added support for ASN.1 indefinite length constructed encoding. 1090 * New PKCS#12 'medium level' API to manipulate PKCS#12 files. 1091 * Complete rework of shared library construction and linking 1092 programs with shared or static libraries, through a separate 1093 Makefile.shared. 1094 * Rework of the passing of parameters from one Makefile to another. 1095 * Changed ENGINE framework to load dynamic engine modules 1096 automatically from specifically given directories. 1097 * New structure and ASN.1 functions for CertificatePair. 1098 * Changed the ZLIB compression method to be stateful. 1099 * Changed the key-generation and primality testing "progress" 1100 mechanism to take a structure that contains the ticker 1101 function and an argument. 1102 * New engine module: GMP (performs private key exponentiation). 1103 * New engine module: VIA PadLOck ACE extension in VIA C3 1104 Nehemiah processors. 1105 * Added support for IPv6 addresses in certificate extensions. 1106 See RFC 1884, section 2.2. 1107 * Added support for certificate policy mappings, policy 1108 constraints and name constraints. 1109 * Added support for multi-valued AVAs in the OpenSSL 1110 configuration file. 1111 * Added support for multiple certificates with the same subject 1112 in the 'openssl ca' index file. 1113 * Make it possible to create self-signed certificates using 1114 'openssl ca -selfsign'. 1115 * Make it possible to generate a serial number file with 1116 'openssl ca -create_serial'. 1117 * New binary search functions with extended functionality. 1118 * New BUF functions. 1119 * New STORE structure and library to provide an interface to all 1120 sorts of data repositories. Supports storage of public and 1121 private keys, certificates, CRLs, numbers and arbitrary blobs. 1122 This library is unfortunately unfinished and unused within 1123 OpenSSL. 1124 * New control functions for the error stack. 1125 * Changed the PKCS#7 library to support one-pass S/MIME 1126 processing. 1127 * Added the possibility to compile without old deprecated 1128 functionality with the OPENSSL_NO_DEPRECATED macro or the 1129 'no-deprecated' argument to the config and Configure scripts. 1130 * Constification of all ASN.1 conversion functions, and other 1131 affected functions. 1132 * Improved platform support for PowerPC. 1133 * New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 1134 * New X509_VERIFY_PARAM structure to support parameterisation 1135 of X.509 path validation. 1136 * Major overhaul of RC4 performance on Intel P4, IA-64 and 1137 AMD64. 1138 * Changed the Configure script to have some algorithms disabled 1139 by default. Those can be explicitly enabled with the new 1140 argument form 'enable-xxx'. 1141 * Change the default digest in 'openssl' commands from MD5 to 1142 SHA-1. 1143 * Added support for DTLS. 1144 * New BIGNUM blinding. 1145 * Added support for the RSA-PSS encryption scheme 1146 * Added support for the RSA X.931 padding. 1147 * Added support for BSD sockets on NetWare. 1148 * Added support for files larger than 2GB. 1149 * Added initial support for Win64. 1150 * Added alternate pkg-config files. 1151 1152### Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007] 1153 1154 * FIPS 1.1.1 module linking. 1155 * Various ciphersuite selection fixes. 1156 1157### Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006] 1158 1159 * Introduce limits to prevent malicious key DoS ([CVE-2006-2940]) 1160 * Fix security issues [CVE-2006-2937], [CVE-2006-3737], [CVE-2006-4343] 1161 1162### Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006] 1163 1164 * Fix Daniel Bleichenbacher forged signature attack, [CVE-2006-4339] 1165 1166### Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006] 1167 1168 * Visual C++ 2005 fixes. 1169 * Update Windows build system for FIPS. 1170 1171### Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005] 1172 1173 * Give EVP_MAX_MD_SIZE its old value, except for a FIPS build. 1174 1175### Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005] 1176 1177 * Fix SSL 2.0 Rollback ([CVE-2005-2969]) 1178 * Allow use of fixed-length exponent on DSA signing 1179 * Default fixed-window RSA, DSA, DH private-key operations 1180 1181### Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005] 1182 1183 * More compilation issues fixed. 1184 * Adaptation to more modern Kerberos API. 1185 * Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 1186 * Enhanced x86_64 assembler BIGNUM module. 1187 * More constification. 1188 * Added processing of proxy certificates (RFC 3820). 1189 1190### Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005] 1191 1192 * Several compilation issues fixed. 1193 * Many memory allocation failure checks added. 1194 * Improved comparison of X509 Name type. 1195 * Mandatory basic checks on certificates. 1196 * Performance improvements. 1197 1198### Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004] 1199 1200 * Fix race condition in CRL checking code. 1201 * Fixes to PKCS#7 (S/MIME) code. 1202 1203### Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004] 1204 1205 * Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 1206 * Security: Fix null-pointer assignment in do_change_cipher_spec() 1207 * Allow multiple active certificates with same subject in CA index 1208 * Multiple X509 verification fixes 1209 * Speed up HMAC and other operations 1210 1211### Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003] 1212 1213 * Security: fix various ASN1 parsing bugs. 1214 * New -ignore_err option to OCSP utility. 1215 * Various interop and bug fixes in S/MIME code. 1216 * SSL/TLS protocol fix for unrequested client certificates. 1217 1218### Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003] 1219 1220 * Security: counter the Klima-Pokorny-Rosa extension of 1221 Bleichbacher's attack 1222 * Security: make RSA blinding default. 1223 * Configuration: Irix fixes, AIX fixes, better mingw support. 1224 * Support for new platforms: linux-ia64-ecc. 1225 * Build: shared library support fixes. 1226 * ASN.1: treat domainComponent correctly. 1227 * Documentation: fixes and additions. 1228 1229### Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003] 1230 1231 * Security: Important security related bugfixes. 1232 * Enhanced compatibility with MIT Kerberos. 1233 * Can be built without the ENGINE framework. 1234 * IA32 assembler enhancements. 1235 * Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 1236 * Configuration: the no-err option now works properly. 1237 * SSL/TLS: now handles manual certificate chain building. 1238 * SSL/TLS: certain session ID malfunctions corrected. 1239 1240### Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002] 1241 1242 * New library section OCSP. 1243 * Complete rewrite of ASN1 code. 1244 * CRL checking in verify code and openssl utility. 1245 * Extension copying in 'ca' utility. 1246 * Flexible display options in 'ca' utility. 1247 * Provisional support for international characters with UTF8. 1248 * Support for external crypto devices ('engine') is no longer 1249 a separate distribution. 1250 * New elliptic curve library section. 1251 * New AES (Rijndael) library section. 1252 * Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 1253 Linux x86_64, Linux 64-bit on Sparc v9 1254 * Extended support for some platforms: VxWorks 1255 * Enhanced support for shared libraries. 1256 * Now only builds PIC code when shared library support is requested. 1257 * Support for pkg-config. 1258 * Lots of new manuals. 1259 * Makes symbolic links to or copies of manuals to cover all described 1260 functions. 1261 * Change DES API to clean up the namespace (some applications link also 1262 against libdes providing similar functions having the same name). 1263 Provide macros for backward compatibility (will be removed in the 1264 future). 1265 * Unify handling of cryptographic algorithms (software and engine) 1266 to be available via EVP routines for asymmetric and symmetric ciphers. 1267 * NCONF: new configuration handling routines. 1268 * Change API to use more 'const' modifiers to improve error checking 1269 and help optimizers. 1270 * Finally remove references to RSAref. 1271 * Reworked parts of the BIGNUM code. 1272 * Support for new engines: Broadcom ubsec, Accelerated Encryption 1273 Processing, IBM 4758. 1274 * A few new engines added in the demos area. 1275 * Extended and corrected OID (object identifier) table. 1276 * PRNG: query at more locations for a random device, automatic query for 1277 EGD style random sources at several locations. 1278 * SSL/TLS: allow optional cipher choice according to server's preference. 1279 * SSL/TLS: allow server to explicitly set new session ids. 1280 * SSL/TLS: support Kerberos cipher suites (RFC2712). 1281 Only supports MIT Kerberos for now. 1282 * SSL/TLS: allow more precise control of renegotiations and sessions. 1283 * SSL/TLS: add callback to retrieve SSL/TLS messages. 1284 * SSL/TLS: support AES cipher suites (RFC3268). 1285 1286### Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003] 1287 1288 * Security: fix various ASN1 parsing bugs. 1289 * SSL/TLS protocol fix for unrequested client certificates. 1290 1291### Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003] 1292 1293 * Security: counter the Klima-Pokorny-Rosa extension of 1294 Bleichbacher's attack 1295 * Security: make RSA blinding default. 1296 * Build: shared library support fixes. 1297 1298### Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003] 1299 1300 * Important security related bugfixes. 1301 1302### Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002] 1303 1304 * New configuration targets for Tandem OSS and A/UX. 1305 * New OIDs for Microsoft attributes. 1306 * Better handling of SSL session caching. 1307 * Better comparison of distinguished names. 1308 * Better handling of shared libraries in a mixed GNU/non-GNU environment. 1309 * Support assembler code with Borland C. 1310 * Fixes for length problems. 1311 * Fixes for uninitialised variables. 1312 * Fixes for memory leaks, some unusual crashes and some race conditions. 1313 * Fixes for smaller building problems. 1314 * Updates of manuals, FAQ and other instructive documents. 1315 1316### Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002] 1317 1318 * Important building fixes on Unix. 1319 1320### Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002] 1321 1322 * Various important bugfixes. 1323 1324### Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002] 1325 1326 * Important security related bugfixes. 1327 * Various SSL/TLS library bugfixes. 1328 1329### Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002] 1330 1331 * Various SSL/TLS library bugfixes. 1332 * Fix DH parameter generation for 'non-standard' generators. 1333 1334### Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001] 1335 1336 * Various SSL/TLS library bugfixes. 1337 * BIGNUM library fixes. 1338 * RSA OAEP and random number generation fixes. 1339 * Object identifiers corrected and added. 1340 * Add assembler BN routines for IA64. 1341 * Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 1342 MIPS Linux; shared library support for Irix, HP-UX. 1343 * Add crypto accelerator support for AEP, Baltimore SureWare, 1344 Broadcom and Cryptographic Appliance's keyserver 1345 [in 0.9.6c-engine release]. 1346 1347### Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001] 1348 1349 * Security fix: PRNG improvements. 1350 * Security fix: RSA OAEP check. 1351 * Security fix: Reinsert and fix countermeasure to Bleichbacher's 1352 attack. 1353 * MIPS bug fix in BIGNUM. 1354 * Bug fix in "openssl enc". 1355 * Bug fix in X.509 printing routine. 1356 * Bug fix in DSA verification routine and DSA S/MIME verification. 1357 * Bug fix to make PRNG thread-safe. 1358 * Bug fix in RAND_file_name(). 1359 * Bug fix in compatibility mode trust settings. 1360 * Bug fix in blowfish EVP. 1361 * Increase default size for BIO buffering filter. 1362 * Compatibility fixes in some scripts. 1363 1364### Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001] 1365 1366 * Security fix: change behavior of OpenSSL to avoid using 1367 environment variables when running as root. 1368 * Security fix: check the result of RSA-CRT to reduce the 1369 possibility of deducing the private key from an incorrectly 1370 calculated signature. 1371 * Security fix: prevent Bleichenbacher's DSA attack. 1372 * Security fix: Zero the premaster secret after deriving the 1373 master secret in DH ciphersuites. 1374 * Reimplement SSL_peek(), which had various problems. 1375 * Compatibility fix: the function des_encrypt() renamed to 1376 des_encrypt1() to avoid clashes with some Unixen libc. 1377 * Bug fixes for Win32, HP/UX and Irix. 1378 * Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 1379 memory checking routines. 1380 * Bug fixes for RSA operations in threaded environments. 1381 * Bug fixes in misc. openssl applications. 1382 * Remove a few potential memory leaks. 1383 * Add tighter checks of BIGNUM routines. 1384 * Shared library support has been reworked for generality. 1385 * More documentation. 1386 * New function BN_rand_range(). 1387 * Add "-rand" option to openssl s_client and s_server. 1388 1389### Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000] 1390 1391 * Some documentation for BIO and SSL libraries. 1392 * Enhanced chain verification using key identifiers. 1393 * New sign and verify options to 'dgst' application. 1394 * Support for DER and PEM encoded messages in 'smime' application. 1395 * New 'rsautl' application, low-level RSA utility. 1396 * MD4 now included. 1397 * Bugfix for SSL rollback padding check. 1398 * Support for external crypto devices [1]. 1399 * Enhanced EVP interface. 1400 1401 [1] The support for external crypto devices is currently a separate 1402 distribution. See the file README-Engine.md. 1403 1404### Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000] 1405 1406 * Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 1407 * Shared library support for HPUX and Solaris-gcc 1408 * Support of Linux/IA64 1409 * Assembler support for Mingw32 1410 * New 'rand' application 1411 * New way to check for existence of algorithms from scripts 1412 1413### Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000] 1414 1415 * S/MIME support in new 'smime' command 1416 * Documentation for the OpenSSL command line application 1417 * Automation of 'req' application 1418 * Fixes to make s_client, s_server work under Windows 1419 * Support for multiple fieldnames in SPKACs 1420 * New SPKAC command line utility and associated library functions 1421 * Options to allow passwords to be obtained from various sources 1422 * New public key PEM format and options to handle it 1423 * Many other fixes and enhancements to command line utilities 1424 * Usable certificate chain verification 1425 * Certificate purpose checking 1426 * Certificate trust settings 1427 * Support of authority information access extension 1428 * Extensions in certificate requests 1429 * Simplified X509 name and attribute routines 1430 * Initial (incomplete) support for international character sets 1431 * New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 1432 * Read only memory BIOs and simplified creation function 1433 * TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 1434 record; allow fragmentation and interleaving of handshake and other 1435 data 1436 * TLS/SSL code now "tolerates" MS SGC 1437 * Work around for Netscape client certificate hang bug 1438 * RSA_NULL option that removes RSA patent code but keeps other 1439 RSA functionality 1440 * Memory leak detection now allows applications to add extra information 1441 via a per-thread stack 1442 * PRNG robustness improved 1443 * EGD support 1444 * BIGNUM library bug fixes 1445 * Faster DSA parameter generation 1446 * Enhanced support for Alpha Linux 1447 * Experimental macOS support 1448 1449### Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999] 1450 1451 * Transparent support for PKCS#8 format private keys: these are used 1452 by several software packages and are more secure than the standard 1453 form 1454 * PKCS#5 v2.0 implementation 1455 * Password callbacks have a new void * argument for application data 1456 * Avoid various memory leaks 1457 * New pipe-like BIO that allows using the SSL library when actual I/O 1458 must be handled by the application (BIO pair) 1459 1460### Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999] 1461 1462 * Lots of enhancements and cleanups to the Configuration mechanism 1463 * RSA OEAP related fixes 1464 * Added "openssl ca -revoke" option for revoking a certificate 1465 * Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 1466 * Source tree cleanups: removed lots of obsolete files 1467 * Thawte SXNet, certificate policies and CRL distribution points 1468 extension support 1469 * Preliminary (experimental) S/MIME support 1470 * Support for ASN.1 UTF8String and VisibleString 1471 * Full integration of PKCS#12 code 1472 * Sparc assembler bignum implementation, optimized hash functions 1473 * Option to disable selected ciphers 1474 1475### Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999] 1476 1477 * Fixed a security hole related to session resumption 1478 * Fixed RSA encryption routines for the p < q case 1479 * "ALL" in cipher lists now means "everything except NULL ciphers" 1480 * Support for Triple-DES CBCM cipher 1481 * Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 1482 * First support for new TLSv1 ciphers 1483 * Added a few new BIOs (syslog BIO, reliable BIO) 1484 * Extended support for DSA certificate/keys. 1485 * Extended support for Certificate Signing Requests (CSR) 1486 * Initial support for X.509v3 extensions 1487 * Extended support for compression inside the SSL record layer 1488 * Overhauled Win32 builds 1489 * Cleanups and fixes to the Big Number (BN) library 1490 * Support for ASN.1 GeneralizedTime 1491 * Splitted ASN.1 SETs from SEQUENCEs 1492 * ASN1 and PEM support for Netscape Certificate Sequences 1493 * Overhauled Perl interface 1494 * Lots of source tree cleanups. 1495 * Lots of memory leak fixes. 1496 * Lots of bug fixes. 1497 1498### Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998] 1499 1500 * Integration of the popular NO_RSA/NO_DSA patches 1501 * Initial support for compression inside the SSL record layer 1502 * Added BIO proxy and filtering functionality 1503 * Extended Big Number (BN) library 1504 * Added RIPE MD160 message digest 1505 * Added support for RC2/64bit cipher 1506 * Extended ASN.1 parser routines 1507 * Adjustments of the source tree for CVS 1508 * Support for various new platforms 1509 1510<!-- Links --> 1511 1512[CVE-2024-13176]: https://www.openssl.org/news/vulnerabilities.html#CVE-2024-13176 1513[CVE-2024-9143]: https://www.openssl.org/news/vulnerabilities.html#CVE-2024-9143 1514[CVE-2024-6119]: https://www.openssl.org/news/vulnerabilities.html#CVE-2024-6119 1515[CVE-2024-5535]: https://www.openssl.org/news/vulnerabilities.html#CVE-2024-5535 1516[CVE-2024-4741]: https://www.openssl.org/news/vulnerabilities.html#CVE-2024-4741 1517[CVE-2024-4603]: https://www.openssl.org/news/vulnerabilities.html#CVE-2024-4603 1518[CVE-2024-2511]: https://www.openssl.org/news/vulnerabilities.html#CVE-2024-2511 1519[CVE-2024-0727]: https://www.openssl.org/news/vulnerabilities.html#CVE-2024-0727 1520[CVE-2023-6237]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-6237 1521[CVE-2023-6129]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-6129 1522[CVE-2023-5678]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-5678 1523[CVE-2023-5363]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-5363 1524[CVE-2023-4807]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-4807 1525[CVE-2023-3817]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-3817 1526[CVE-2023-3446]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-3446 1527[CVE-2023-2975]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-2975 1528[CVE-2023-2650]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-2650 1529[CVE-2023-1255]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-1255 1530[CVE-2023-0466]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0466 1531[CVE-2023-0465]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0465 1532[CVE-2023-0464]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0464 1533[CVE-2023-0401]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0401 1534[CVE-2023-0286]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0286 1535[CVE-2023-0217]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0217 1536[CVE-2023-0216]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0216 1537[CVE-2023-0215]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0215 1538[CVE-2022-4450]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-4450 1539[CVE-2022-4304]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-4304 1540[CVE-2022-4203]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-4203 1541[CVE-2022-3996]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-3996 1542[CVE-2022-2274]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-2274 1543[CVE-2022-2097]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-2097 1544[CVE-2020-1971]: https://www.openssl.org/news/vulnerabilities.html#CVE-2020-1971 1545[CVE-2020-1967]: https://www.openssl.org/news/vulnerabilities.html#CVE-2020-1967 1546[CVE-2019-1563]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1563 1547[CVE-2019-1559]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1559 1548[CVE-2019-1552]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1552 1549[CVE-2019-1551]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1551 1550[CVE-2019-1549]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1549 1551[CVE-2019-1547]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1547 1552[CVE-2019-1543]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1543 1553[CVE-2018-5407]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-5407 1554[CVE-2018-0739]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0739 1555[CVE-2018-0737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0737 1556[CVE-2018-0735]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0735 1557[CVE-2018-0734]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0734 1558[CVE-2018-0733]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0733 1559[CVE-2018-0732]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0732 1560[CVE-2017-3738]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3738 1561[CVE-2017-3737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3737 1562[CVE-2017-3736]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3736 1563[CVE-2017-3735]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3735 1564[CVE-2017-3733]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3733 1565[CVE-2017-3732]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3732 1566[CVE-2017-3731]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3731 1567[CVE-2017-3730]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3730 1568[CVE-2016-7055]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7055 1569[CVE-2016-7054]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7054 1570[CVE-2016-7053]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7053 1571[CVE-2016-7052]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7052 1572[CVE-2016-6309]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6309 1573[CVE-2016-6308]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6308 1574[CVE-2016-6307]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6307 1575[CVE-2016-6306]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6306 1576[CVE-2016-6305]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6305 1577[CVE-2016-6304]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6304 1578[CVE-2016-6303]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6303 1579[CVE-2016-6302]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6302 1580[CVE-2016-2183]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2183 1581[CVE-2016-2182]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2182 1582[CVE-2016-2181]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2181 1583[CVE-2016-2180]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2180 1584[CVE-2016-2179]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2179 1585[CVE-2016-2178]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2178 1586[CVE-2016-2177]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2177 1587[CVE-2016-2176]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2176 1588[CVE-2016-2109]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2109 1589[CVE-2016-2107]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2107 1590[CVE-2016-2106]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2106 1591[CVE-2016-2105]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2105 1592[CVE-2016-0800]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0800 1593[CVE-2016-0799]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0799 1594[CVE-2016-0798]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0798 1595[CVE-2016-0797]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0797 1596[CVE-2016-0705]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0705 1597[CVE-2016-0702]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0702 1598[CVE-2016-0701]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0701 1599[CVE-2015-3197]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3197 1600[CVE-2015-3196]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3196 1601[CVE-2015-3195]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3195 1602[CVE-2015-3194]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3194 1603[CVE-2015-3193]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3193 1604[CVE-2015-1793]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1793 1605[CVE-2015-1792]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1792 1606[CVE-2015-1791]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1791 1607[CVE-2015-1790]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1790 1608[CVE-2015-1789]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1789 1609[CVE-2015-1788]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1788 1610[CVE-2015-1787]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1787 1611[CVE-2015-0293]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0293 1612[CVE-2015-0291]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0291 1613[CVE-2015-0290]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0290 1614[CVE-2015-0289]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0289 1615[CVE-2015-0288]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0288 1616[CVE-2015-0287]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0287 1617[CVE-2015-0286]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0286 1618[CVE-2015-0285]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0285 1619[CVE-2015-0209]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0209 1620[CVE-2015-0208]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0208 1621[CVE-2015-0207]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0207 1622[CVE-2015-0206]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0206 1623[CVE-2015-0205]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0205 1624[CVE-2015-0204]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0204 1625[CVE-2014-8275]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-8275 1626[CVE-2014-5139]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-5139 1627[CVE-2014-3572]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3572 1628[CVE-2014-3571]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3571 1629[CVE-2014-3570]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3570 1630[CVE-2014-3569]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3569 1631[CVE-2014-3568]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3568 1632[CVE-2014-3567]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3567 1633[CVE-2014-3566]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3566 1634[CVE-2014-3513]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3513 1635[CVE-2014-3512]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3512 1636[CVE-2014-3511]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3511 1637[CVE-2014-3510]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3510 1638[CVE-2014-3509]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3509 1639[CVE-2014-3508]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3508 1640[CVE-2014-3507]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3507 1641[CVE-2014-3506]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3506 1642[CVE-2014-3505]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3505 1643[CVE-2014-3470]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3470 1644[CVE-2014-0224]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0224 1645[CVE-2014-0221]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0221 1646[CVE-2014-0198]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0198 1647[CVE-2014-0195]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0195 1648[CVE-2014-0160]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0160 1649[CVE-2014-0076]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0076 1650[CVE-2013-6450]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-6450 1651[CVE-2013-6449]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-6449 1652[CVE-2013-4353]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-4353 1653[CVE-2013-0169]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-0169 1654[CVE-2013-0166]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-0166 1655[CVE-2012-2686]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2686 1656[CVE-2012-2333]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2333 1657[CVE-2012-2110]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2110 1658[CVE-2012-0884]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0884 1659[CVE-2012-0050]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0050 1660[CVE-2012-0027]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0027 1661[CVE-2011-4619]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4619 1662[CVE-2011-4577]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4577 1663[CVE-2011-4576]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4576 1664[CVE-2011-4108]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4108 1665[CVE-2011-3210]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-3210 1666[CVE-2011-3207]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-3207 1667[CVE-2011-0014]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-0014 1668[CVE-2010-5298]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-5298 1669[CVE-2010-4252]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-4252 1670[CVE-2010-4180]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-4180 1671[CVE-2010-3864]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-3864 1672[CVE-2010-2939]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-2939 1673[CVE-2010-1633]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-1633 1674[CVE-2010-0740]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-0740 1675[CVE-2010-0433]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-0433 1676[CVE-2009-3555]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-3555 1677[CVE-2009-0789]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0789 1678[CVE-2009-0591]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0591 1679[CVE-2009-0590]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0590 1680[CVE-2008-5077]: https://www.openssl.org/news/vulnerabilities.html#CVE-2008-5077 1681[CVE-2006-4343]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-4343 1682[CVE-2006-4339]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-4339 1683[CVE-2006-3737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-3737 1684[CVE-2006-2940]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-2940 1685[CVE-2006-2937]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-2937 1686[CVE-2005-2969]: https://www.openssl.org/news/vulnerabilities.html#CVE-2005-2969 1687