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