xref: /freebsd/contrib/expat/Changes (revision cab6a39d7b343596a5823e65c0f7b426551ec22d)
1NOTE: We are looking for help with a few things:
2      https://github.com/libexpat/libexpat/labels/help%20wanted
3      If you can help, please get in touch.  Thanks!
4
5Release 2.2.9 Wed Septemper 25 2019
6        Other changes:
7                  examples: Drop executable bits from elements.c
8            #349  Windows: Change the name of the Windows DLLs from expat*.dll
9                    to libexpat*.dll once more (regression from 2.2.8, first
10                    fixed in 1.95.3, issue #61 on SourceForge today,
11                    was issue #432456 back then); needs a fix due
12                    case-insensitive file systems on Windows and the fact that
13                    Perl's XML::Parser::Expat compiles into Expat.dll.
14            #347  Windows: Only define _CRT_RAND_S if not defined
15                  Version info bumped from 7:10:6 to 7:11:6
16
17        Special thanks to:
18            Ben Wagner
19
20Release 2.2.8 Fri Septemper 13 2019
21        Security fixes:
22       #317 #318  CVE-2019-15903 -- Fix heap overflow triggered by
23                    XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber),
24                    and deny internal entities closing the doctype;
25                    fixed in commit c20b758c332d9a13afbbb276d30db1d183a85d43
26
27        Bug fixes:
28            #240  Fix cases where XML_StopParser did not have any effect
29                    when called from inside of an end element handler
30            #341  xmlwf: Fix exit code for operation without "-d DIRECTORY";
31                    previously, only "-d DIRECTORY" would give you a proper
32                    exit code:
33                      # xmlwf -d . <<<'<not well-formed>' 2>/dev/null ; echo $?
34                      2
35                      # xmlwf <<<'<not well-formed>' 2>/dev/null ; echo $?
36                      0
37                    Now both cases return exit code 2.
38
39        Other changes:
40       #299 #302  Windows: Replace LoadLibrary hack to access
41                    unofficial API function SystemFunction036 (RtlGenRandom)
42                    by using official API function rand_s (needs WinXP+)
43            #325  Windows: Drop support for Visual Studio <=7.1/2003
44                    and document supported compilers in README.md
45            #286  Windows: Remove COM code from xmlwf; in case it turns
46                    out needed later, there will be a dedicated repository
47                    below https://github.com/libexpat/ for that code
48            #322  Windows: Remove explicit MSVC solution and project files.
49                    You can generate Visual Studio solution files through
50                    CMake, e.g.: cmake -G"Visual Studio 15 2017" .
51            #338  xmlwf: Make "xmlwf -h" help output more friendly
52            #339  examples: Improve elements.c
53       #244 #264  Autotools: Add argument --enable-xml-attr-info
54       #239 #301  Autotools: Add arguments
55                    --with-getrandom
56                    --without-getrandom
57                    --with-sys-getrandom
58                    --without-sys-getrandom
59       #312 #343  Autotools: Fix linking issues with "./configure LD=clang"
60                  Autotools: Fix "make run-xmltest" for out-of-source builds
61       #329 #336  CMake: Pull all options from Expat <=2.2.7 into namespace
62                    prefix EXPAT_ with the exception of DOCBOOK_TO_MAN:
63                    - BUILD_doc            -> EXPAT_BUILD_DOCS (plural)
64                    - BUILD_examples       -> EXPAT_BUILD_EXAMPLES
65                    - BUILD_shared         -> EXPAT_SHARED_LIBS
66                    - BUILD_tests          -> EXPAT_BUILD_TESTS
67                    - BUILD_tools          -> EXPAT_BUILD_TOOLS
68                    - DOCBOOK_TO_MAN       -> DOCBOOK_TO_MAN (unchanged)
69                    - INSTALL              -> EXPAT_ENABLE_INSTALL
70                    - MSVC_USE_STATIC_CRT  -> EXPAT_MSVC_STATIC_CRT
71                    - USE_libbsd           -> EXPAT_WITH_LIBBSD
72                    - WARNINGS_AS_ERRORS   -> EXPAT_WARNINGS_AS_ERRORS
73                    - XML_CONTEXT_BYTES    -> EXPAT_CONTEXT_BYTES
74                    - XML_DEV_URANDOM      -> EXPAT_DEV_URANDOM
75                    - XML_DTD              -> EXPAT_DTD
76                    - XML_NS               -> EXPAT_NS
77                    - XML_UNICODE          -> EXPAT_CHAR_TYPE=ushort (!)
78                    - XML_UNICODE_WCHAR_T  -> EXPAT_CHAR_TYPE=wchar_t (!)
79       #244 #264  CMake: Add argument -DEXPAT_ATTR_INFO=(ON|OFF),
80                    default OFF
81            #326  CMake: Add argument -DEXPAT_LARGE_SIZE=(ON|OFF),
82                    default OFF
83            #328  CMake: Add argument -DEXPAT_MIN_SIZE=(ON|OFF),
84                    default OFF
85       #239 #277  CMake: Add arguments
86                    -DEXPAT_WITH_GETRANDOM=(ON|OFF|AUTO), default AUTO
87                    -DEXPAT_WITH_SYS_GETRANDOM=(ON|OFF|AUTO), default AUTO
88            #326  CMake: Install expat_config.h to include directory
89            #326  CMake: Generate and install configuration files for
90                    future find_package(expat [..] CONFIG [..])
91                  CMake: Now produces a summary of applied configuration
92                  CMake: Require C++ compiler only when tests are enabled
93            #330  CMake: Fix compilation for 16bit character types,
94                    i.e. ex -DXML_UNICODE=ON (and ex -DXML_UNICODE_WCHAR_T=ON)
95            #265  CMake: Fix linking with MinGW
96            #330  CMake: Add full support for MinGW; to enable, use
97                    -DCMAKE_TOOLCHAIN_FILE=[expat]/cmake/mingw-toolchain.cmake
98            #330  CMake: Port "make run-xmltest" from GNU Autotools to CMake
99            #316  CMake: Windows: Make binary postfix match MSVC
100                    Old: expat[d].lib
101                    New: expat[w][d][MD|MT].lib
102                  CMake: Migrate files from Windows to Unix line endings
103            #308  CMake: Integrate OSS-Fuzz fuzzers, option
104                    -DEXPAT_BUILD_FUZZERS=(ON|OFF), default OFF
105             #14  Drop an OpenVMS support leftover
106    #235 #268 ..
107    #270 #310 ..
108  #313 #331 #333  Address compiler warnings
109    #282 #283 ..
110       #284 #285  Address cppcheck warnings
111       #294 #295  Address Clang Static Analyzer warnings
112        #24 #293  Mass-apply clang-format 9 (and ensure conformance during CI)
113                  Version info bumped from 7:9:6 to 7:10:6
114
115        Special thanks to:
116            David Loffredo
117            Joonun Jang
118            Khajapasha Mohammed
119            Kishore Kunche
120            Marco Maggi
121            Mitch Phillips
122            Rolf Ade
123            xantares
124            Zhongyuan Zhou
125
126Release 2.2.7 Wed June 19 2019
127        Security fixes:
128       #186 #262  CVE-2018-20843 -- Fix extraction of namespace prefixes from
129                    XML names; XML names with multiple colons could end up in
130                    the wrong namespace, and take a high amount of RAM and CPU
131                    resources while processing, opening the door to
132                    use for denial-of-service attacks
133
134        Other changes:
135       #195 #197  Autotools/CMake: Utilize -fvisibility=hidden to stop
136                    exporting non-API symbols
137            #227  Autotools: Add --without-examples and --without-tests
138            #228  Autotools: Modernize configure.ac
139       #245 #246  Autotools: Fix check for -fvisibility=hidden for Clang
140       #247 #248  Autotools: Fix compilation for lack of docbook2x-man
141       #236 #258  Autotools: Produce .tar.{gz,lz,xz} release archives
142            #212  CMake: Make libdir of pkgconfig expat.pc support multilib
143       #158 #263  CMake: Build man page in PROJECT_BINARY_DIR not _SOURCE_DIR
144            #219  Remove fallback to bcopy, assume that memmove(3) exists
145            #257  Use portable "/usr/bin/env bash" shebang (e.g. for OpenBSD)
146            #243  Windows: Fix syntax of .def module definition files
147                  Version info bumped from 7:8:6 to 7:9:6
148
149        Special thanks to:
150            Benjamin Peterson
151            Caolán McNamara
152            Hanno Böck
153            KangLin
154            Kishore Kunche
155            Marco Maggi
156            Rhodri James
157            Sebastian Dröge
158            userwithuid
159            Yury Gribov
160
161Release 2.2.6 Sun August 12 2018
162        Bug fixes:
163       #170 #206  Avoid doing arithmetic with NULL pointers in XML_GetBuffer
164       #204 #205  Fix 2.2.5 regression with suspend-resume while parsing
165                    a document like '<root/>'
166
167        Other changes:
168       #165 #168  Autotools: Fix docbook-related configure syntax error
169            #166  Autotools: Avoid grep option `-q` for Solaris
170            #167  Autotools: Support
171                    ./configure DOCBOOK_TO_MAN="xmlto man --skip-validation"
172       #159 #167  Autotools: Support DOCBOOK_TO_MAN command which produces
173                    xmlwf.1 rather than XMLWF.1; also covers case insensitive
174                    file systems
175            #181  Autotools: Drop -rpath option passed to libtool
176            #188  Autotools: Detect and deny SGML docbook2man as ours is XML
177            #188  Autotools/CMake: Support command db2x_docbook2man as well
178            #174  CMake: Introduce option WARNINGS_AS_ERRORS, defaults to OFF
179       #184 #185  CMake: Introduce option MSVC_USE_STATIC_CRT, defaults to OFF
180       #207 #208  CMake: Introduce option XML_UNICODE and XML_UNICODE_WCHAR_T,
181                    both defaulting to OFF
182            #175  CMake: Prefer check_symbol_exists over check_function_exists
183            #176  CMake: Create the same pkg-config file as with GNU Autotools
184       #178 #179  CMake: Use GNUInstallDirs module to set proper defaults for
185                    install directories
186            #208  CMake: Utilize expat_config.h.cmake for XML_DEV_URANDOM
187            #180  Windows: Fix compilation of test suite for Visual Studio 2008
188  #131 #173 #202  Address compiler warnings
189  #187 #190 #200  Fix miscellaneous typos
190                  Version info bumped from 7:7:6 to 7:8:6
191
192        Special thanks to:
193            Anton Maklakov
194            Benjamin Peterson
195            Brad King
196            Franek Korta
197            Frank Rast
198            Joe Orton
199            luzpaz
200            Pedro Vicente
201            Rainer Jung
202            Rhodri James
203            Rolf Ade
204            Rolf Eike Beer
205            Thomas Beutlich
206            Tomasz Kłoczko
207
208Release 2.2.5 Tue October 31 2017
209        Bug fixes:
210              #8  If the parser runs out of memory, make sure its internal
211                    state reflects the memory it actually has, not the memory
212                    it wanted to have.
213             #11  The default handler wasn't being called when it should for
214                    a SYSTEM or PUBLIC doctype if an entity declaration handler
215                    was registered.
216       #137 #138  Fix a case of mistakenly reported parsing success where
217                    XML_StopParser was called from an element handler
218            #162  Function XML_ErrorString was returning NULL rather than
219                    a message for code XML_ERROR_INVALID_ARGUMENT
220                    introduced with release 2.2.1
221
222        Other changes:
223            #106  xmlwf: Add argument -N adding notation declarations
224        #75 #106  Test suite: Resolve expected failure cases where xmlwf
225                    output was incomplete
226            #127  Windows: Fix test suite compilation
227       #126 #127  Windows: Fix compilation for Visual Studio 2012
228                  Windows: Upgrade shipped project files to Visual Studio 2017
229        #33 #132  tests: Mass-fix compilation for XML_UNICODE_WCHAR_T
230            #129  examples: Fix compilation for XML_UNICODE_WCHAR_T
231            #130  benchmark: Fix compilation for XML_UNICODE_WCHAR_T
232            #144  xmlwf: Fix compilation for XML_UNICODE_WCHAR_T; still needs
233                    Windows or MinGW for 2-byte wchar_t
234              #9  Address two Clang Static Analyzer false positives
235             #59  Resolve troublesome macros hiding parser struct membership
236                    and dereferencing that pointer
237              #6  Resolve superfluous internal malloc/realloc switch
238       #153 #155  Improve docbook2x-man detection
239            #160  Undefine NDEBUG in the test suite (rather than rejecting it)
240            #161  Address compiler warnings
241                  Version info bumped from 7:6:6 to 7:7:6
242
243        Special thanks to:
244            Benbuck Nason
245            Hans Wennborg
246            José Gutiérrez de la Concha
247            Pedro Monreal Gonzalez
248            Rhodri James
249            Rolf Ade
250            Stephen Groat
251                 and
252            Core Infrastructure Initiative
253
254Release 2.2.4 Sat August 19 2017
255        Bug fixes:
256            #115  Fix copying of partial characters for UTF-8 input
257
258        Other changes:
259            #109  Fix "make check" for non-x86 architectures that default
260                    to unsigned type char (-128..127 rather than 0..255)
261            #109  coverage.sh: Cover -funsigned-char
262                  Autotools: Introduce --without-xmlwf argument
263             #65  Autotools: Replace handwritten Makefile with GNU Automake
264             #43  CMake: Auto-detect high quality entropy extractors, add new
265                    option USE_libbsd=ON to use arc4random_buf of libbsd
266             #74  CMake: Add -fno-strict-aliasing only where supported
267            #114  CMake: Always honor manually set BUILD_* options
268            #114  CMake: Compile man page if docbook2x-man is available, only
269            #117  Include file tests/xmltest.log.expected in source tarball
270                    (required for "make run-xmltest")
271            #117  Include (existing) Visual Studio 2013 files in source tarball
272                  Improve test suite error output
273            #111  Fix some typos in documentation
274                  Version info bumped from 7:5:6 to 7:6:6
275
276        Special thanks to:
277            Jakub Wilk
278            Joe Orton
279            Lin Tian
280            Rolf Eike Beer
281
282Release 2.2.3 Wed August 2 2017
283        Security fixes:
284             #82  CVE-2017-11742 -- Windows: Fix DLL hijacking vulnerability
285                    using Steve Holme's LoadLibrary wrapper for/of cURL
286
287        Bug fixes:
288             #85  Fix a dangling pointer issue related to realloc
289
290        Other changes:
291                  Increase code coverage
292             #91  Linux: Allow getrandom to fail if nonblocking pool has not
293                    yet been initialized and read /dev/urandom then, instead.
294                    This is in line with what recent Python does.
295             #81  Pre-10.7/Lion macOS: Support entropy from arc4random
296             #86  Check that a UTF-16 encoding in an XML declaration has the
297                    right endianness
298        #4 #5 #7  Recover correctly when some reallocations fail
299                  Repair "./configure && make" for systems without any
300                    provider of high quality entropy
301                    and try reading /dev/urandom on those
302                  Ensure that user-defined character encodings have converter
303                    functions when they are needed
304                  Fix mis-leading description of argument -c in xmlwf.1
305                  Rely on macro HAVE_ARC4RANDOM_BUF (rather than __CloudABI__)
306                    for CloudABI
307            #100  Fix use of SIPHASH_MAIN in siphash.h
308             #23  Test suite: Fix memory leaks
309                  Version info bumped from 7:4:6 to 7:5:6
310
311        Special thanks to:
312            Chanho Park
313            Joe Orton
314            Pascal Cuoq
315            Rhodri James
316            Simon McVittie
317            Vadim Zeitlin
318            Viktor Szakats
319                 and
320            Core Infrastructure Initiative
321
322Release 2.2.2 Wed July 12 2017
323        Security fixes:
324             #43  Protect against compilation without any source of high
325                    quality entropy enabled, e.g. with CMake build system;
326                    commit ff0207e6076e9828e536b8d9cd45c9c92069b895
327             #60  Windows with _UNICODE:
328                    Unintended use of LoadLibraryW with a non-wide string
329                    resulted in failure to load advapi32.dll and degradation
330                    in quality of used entropy when compiled with _UNICODE for
331                    Windows; you can launch existing binaries with
332                    EXPAT_ENTROPY_DEBUG=1 in the environment to inspect the
333                    quality of entropy used during runtime; commits
334                    * 95b95032f907ef1cd17ee7a9a1768010a825d61d
335                    * 73a5a2e9c081f49f2d775cf7ced864158b68dc80
336   [MOX-006]      Fix non-NULL parser parameter validation in XML_Parse;
337                    resulted in NULL dereference, previously;
338                    commit ac256dafdffc9622ab0dc2c62fcecb0dfcfa71fe
339
340        Bug fixes:
341             #69  Fix improper use of unsigned long long integer literals
342
343        Other changes:
344             #73  Start requiring a C99 compiler
345             #49  Fix "==" Bashism in configure script
346             #50  Fix too eager getrandom detection for Debian GNU/kFreeBSD
347             #52    and macOS
348             #51  Address lack of stdint.h in Visual Studio 2003 to 2008
349             #58  Address compile warnings
350             #68  Fix "./buildconf.sh && ./configure" for some versions
351                    of Dash for /bin/sh
352             #72  CMake: Ease use of Expat in context of a parent project
353                    with multiple CMakeLists.txt files
354             #72  CMake: Resolve mistaken executable permissions
355             #76  Address compile warning with -DNDEBUG (not recommended!)
356             #77  Address compile warning about macro redefinition
357
358        Special thanks to:
359            Alexander Bluhm
360            Ben Boeckel
361            Cătălin Răceanu
362            Kerin Millar
363            László Böszörményi
364            S. P. Zeidler
365            Segev Finer
366            Václav Slavík
367            Victor Stinner
368            Viktor Szakats
369                 and
370            Radically Open Security
371
372Release 2.2.1 Sat June 17 2017
373        Security fixes:
374                  CVE-2017-9233 -- External entity infinite loop DoS
375                    Details: https://libexpat.github.io/doc/cve-2017-9233/
376                    Commit c4bf96bb51dd2a1b0e185374362ee136fe2c9d7f
377   [MOX-002]      CVE-2016-9063 -- Detect integer overflow; commit
378                    d4f735b88d9932bd5039df2335eefdd0723dbe20
379                    (Fixed version of existing downstream patches!)
380   (SF.net) #539  Fix regression from fix to CVE-2016-0718 cutting off
381                    longer tag names; commits
382                    * 896b6c1fd3b842f377d1b62135dccf0a579cf65d
383                    * af507cef2c93cb8d40062a0abe43a4f4e9158fb2
384             #16    * 0dbbf43fdb20f593ddf4fa1ff67288000dd4a7fd
385             #25  More integer overflow detection (function poolGrow); commits
386                    * 810b74e4703dcfdd8f404e3cb177d44684775143
387                    * 44178553f3539ce69d34abee77a05e879a7982ac
388   [MOX-002]      Detect overflow from len=INT_MAX call to XML_Parse; commits
389                    * 4be2cb5afcc018d996f34bbbce6374b7befad47f
390                    * 7e5b71b748491b6e459e5c9a1d090820f94544d8
391   [MOX-005] #30  Use high quality entropy for hash initialization:
392                    * arc4random_buf on BSD, systems with libbsd
393                      (when configured with --with-libbsd), CloudABI
394                    * RtlGenRandom on Windows XP / Server 2003 and later
395                    * getrandom on Linux 3.17+
396                    In a way, that's still part of CVE-2016-5300.
397                    https://github.com/libexpat/libexpat/pull/30/commits
398   [MOX-005]      For the low quality entropy extraction fallback code,
399                    the parser instance address can no longer leak, commit
400                    04ad658bd3079dd15cb60fc67087900f0ff4b083
401   [MOX-003]      Prevent use of uninitialised variable; commit
402   [MOX-004]        a4dc944f37b664a3ca7199c624a98ee37babdb4b
403                  Add missing parameter validation to public API functions
404                    and dedicated error code XML_ERROR_INVALID_ARGUMENT:
405   [MOX-006]        * NULL checks; commits
406                      * d37f74b2b7149a3a95a680c4c4cd2a451a51d60a (merge/many)
407                      * 9ed727064b675b7180c98cb3d4f75efba6966681
408                      * 6a747c837c50114dfa413994e07c0ba477be4534
409                    * Negative length (XML_Parse); commit
410   [MOX-002]          70db8d2538a10f4c022655d6895e4c3e78692e7f
411   [MOX-001] #35  Change hash algorithm to William Ahern's version of SipHash
412                    to go further with fixing CVE-2012-0876.
413                    https://github.com/libexpat/libexpat/pull/39/commits
414
415        Bug fixes:
416             #32  Fix sharing of hash salt across parsers;
417                    relevant where XML_ExternalEntityParserCreate is called
418                    prior to XML_Parse, in particular (e.g. FBReader)
419             #28  xmlwf: Auto-disable use of memory-mapping (and parsing
420                    as a single chunk) for files larger than ~1 GB (2^30 bytes)
421                    rather than failing with error "out of memory"
422              #3  Fix double free after malloc failure in DTD code; commit
423                    7ae9c3d3af433cd4defe95234eae7dc8ed15637f
424             #17  Fix memory leak on parser error for unbound XML attribute
425                    prefix with new namespaces defined in the same tag;
426                    found by Google's OSS-Fuzz; commits
427                    * 16f87daae5a16132e479e4f71862128c7a915c73
428                    * b47dbc9745932c160893d433220e462bd605f8cd
429                  xmlwf on Windows: Add missing calls to CloseHandle
430
431        New features:
432             #30  Introduced environment switch EXPAT_ENTROPY_DEBUG=1
433                    for runtime debugging of entropy extraction
434
435        Other changes:
436                  Increase code coverage
437             #33  Reject use of XML_UNICODE_WCHAR_T with sizeof(wchar_t) != 2;
438                    XML_UNICODE_WCHAR_T was never meant to be used outside
439                    of Windows; 4-byte wchar_t is common on Linux
440   (SF.net) #538  Start using -fno-strict-aliasing
441   (SF.net) #540  Support compilation against cloudlibc of CloudABI
442                  Allow MinGW cross-compilation
443   (SF.net) #534  CMake: Introduce option "BUILD_doc" (enabled by default)
444                    to bypass compilation of the xmlwf.1 man page
445   (SF.net)  pr2  CMake: Introduce option "INSTALL" (enabled by default)
446                    to bypass installation of expat files
447                  CMake: Fix ninja support
448                  Autotools: Add parameters --enable-xml-context [COUNT]
449                    and --disable-xml-context; default of context of 1024
450                    bytes enabled unchanged
451             #14  Drop AmigaOS 4.x code and includes
452             #14  Drop ancient build systems:
453                    * Borland C++ Builder
454                    * OpenVMS
455                    * Open Watcom
456                    * Visual Studio 6.0
457                    * Pre-X Mac OS (MPW Makefile)
458                    If you happen to rely on some of these, please get in
459                    touch for joining with maintenance.
460             #10  Move from WIN32 to _WIN32
461             #13  Fix "make run-xmltest" order instability
462                  Address compile warnings
463                  Bump version info from 7:2:6 to 7:3:6
464                  Add AUTHORS file
465
466        Infrastructure:
467              #1  Migrate from SourceForge to GitHub (except downloads):
468                    https://github.com/libexpat/
469              #1  Re-create http://libexpat.org/ project website
470                  Start utilizing Travis CI
471
472        Special thanks to:
473            Andy Wang
474            Don Lewis
475            Ed Schouten
476            Karl Waclawek
477            Pascal Cuoq
478            Rhodri James
479            Sergei Nikulov
480            Tobias Taschner
481            Viktor Szakats
482                 and
483            Core Infrastructure Initiative
484            Mozilla Foundation (MOSS Track 3: Secure Open Source)
485            Radically Open Security
486
487Release 2.2.0 Tue June 21 2016
488        Security fixes:
489            #537  CVE-2016-0718 -- Fix crash on malformed input
490                  CVE-2016-4472 -- Improve insufficient fix to CVE-2015-1283 /
491                                   CVE-2015-2716 introduced with Expat 2.1.1
492            #499  CVE-2016-5300 -- Use more entropy for hash initialization
493                                   than the original fix to CVE-2012-0876
494            #519  CVE-2012-6702 -- Resolve troublesome internal call to srand
495                                   that was introduced with Expat 2.1.0
496                                   when addressing CVE-2012-0876 (issue #496)
497
498        Bug fixes:
499                  Fix uninitialized reads of size 1
500                    (e.g. in little2_updatePosition)
501                  Fix detection of UTF-8 character boundaries
502
503        Other changes:
504            #532  Fix compilation for Visual Studio 2010 (keyword "C99")
505                  Autotools: Resolve use of "$<" to better support bmake
506                  Autotools: Add QA script "qa.sh" (and make target "qa")
507                  Autotools: Respect CXXFLAGS if given
508                  Autotools: Fix "make run-xmltest"
509                  Autotools: Have "make run-xmltest" check for expected output
510             p90  CMake: Fix static build (BUILD_shared=OFF) on Windows
511            #536  CMake: Add soversion, support -DNO_SONAME=yes to bypass
512            #323  CMake: Add suffix "d" to differentiate debug from release
513                  CMake: Define WIN32 with CMake on Windows
514                  Annotate memory allocators for GCC
515                  Address all currently known compile warnings
516                  Make sure that API symbols remain visible despite
517                    -fvisibility=hidden
518                  Remove executable flag from source files
519                  Resolve COMPILED_FROM_DSP in favor of WIN32
520
521        Special thanks to:
522            Björn Lindahl
523            Christian Heimes
524            Cristian Rodríguez
525            Daniel Krügler
526            Gustavo Grieco
527            Karl Waclawek
528            László Böszörményi
529            Marco Grassi
530            Pascal Cuoq
531            Sergei Nikulov
532            Thomas Beutlich
533            Warren Young
534            Yann Droneaud
535
536Release 2.1.1 Sat March 12 2016
537        Security fixes:
538            #582: CVE-2015-1283 - Multiple integer overflows in XML_GetBuffer
539
540        Bug fixes:
541            #502: Fix potential null pointer dereference
542            #520: Symbol XML_SetHashSalt was not exported
543            Output of "xmlwf -h" was incomplete
544
545        Other changes:
546            #503: Document behavior of calling XML_SetHashSalt with salt 0
547            Minor improvements to man page xmlwf(1)
548            Improvements to the experimental CMake build system
549            libtool now invoked with --verbose
550
551Release 2.1.0 Sat March 24 2012
552        - Security fixes:
553          #2958794: CVE-2012-1148 - Memory leak in poolGrow.
554          #2895533: CVE-2012-1147 - Resource leak in readfilemap.c.
555          #3496608: CVE-2012-0876 - Hash DOS attack.
556          #2894085: CVE-2009-3560 - Buffer over-read and crash in big2_toUtf8().
557          #1990430: CVE-2009-3720 - Parser crash with special UTF-8 sequences.
558        - Bug Fixes:
559          #1742315: Harmful XML_ParserCreateNS suggestion.
560          #1785430: Expat build fails on linux-amd64 with gcc version>=4.1 -O3.
561          #1983953, 2517952, 2517962, 2649838:
562                Build modifications using autoreconf instead of buildconf.sh.
563          #2815947, #2884086: OBJEXT and EXEEXT support while building.
564          #2517938: xmlwf should return non-zero exit status if not well-formed.
565          #2517946: Wrong statement about XMLDecl in xmlwf.1 and xmlwf.sgml.
566          #2855609: Dangling positionPtr after error.
567          #2990652: CMake support.
568          #3010819: UNEXPECTED_STATE with a trailing "%" in entity value.
569          #3206497: Uninitialized memory returned from XML_Parse.
570          #3287849: make check fails on mingw-w64.
571        - Patches:
572          #1749198: pkg-config support.
573          #3010222: Fix for bug #3010819.
574          #3312568: CMake support.
575          #3446384: Report byte offsets for attr names and values.
576        - New Features / API changes:
577          Added new API member XML_SetHashSalt() that allows setting an initial
578                value (salt) for hash calculations. This is part of the fix for
579                bug #3496608 to randomize hash parameters.
580          When compiled with XML_ATTR_INFO defined, adds new API member
581                XML_GetAttributeInfo() that allows retrieving the byte
582                offsets for attribute names and values (patch #3446384).
583          Added CMake build system.
584                See bug #2990652 and patch #3312568.
585          Added run-benchmark target to Makefile.in - relies on testdata module
586                present in the same relative location as in the repository.
587
588Release 2.0.1 Tue June 5 2007
589        - Fixed bugs #1515266, #1515600: The character data handler's calling
590          of XML_StopParser() was not handled properly; if the parser was
591          stopped and the handler set to NULL, the parser would segfault.
592        - Fixed bug #1690883: Expat failed on EBCDIC systems as it assumed
593          some character constants to be ASCII encoded.
594        - Minor cleanups of the test harness.
595        - Fixed xmlwf bug #1513566: "out of memory" error on file size zero.
596        - Fixed outline.c bug #1543233: missing a final XML_ParserFree() call.
597        - Fixes and improvements for Windows platform:
598          bugs #1409451, #1476160, #1548182, #1602769, #1717322.
599        - Build fixes for various platforms:
600          HP-UX, Tru64, Solaris 9: patch #1437840, bug #1196180.
601          All Unix: #1554618 (refreshed config.sub/config.guess).
602                    #1490371, #1613457: support both, DESTDIR and INSTALL_ROOT,
603                    without relying on GNU-Make specific features.
604          #1647805: Patched configure.in to work better with Intel compiler.
605        - Fixes to Makefile.in to have make check work correctly:
606          bugs #1408143, #1535603, #1536684.
607        - Added Open Watcom support: patch #1523242.
608
609Release 2.0.0 Wed Jan 11 2006
610        - We no longer use the "check" library for C unit testing; we
611          always use the (partial) internal implementation of the API.
612        - Report XML_NS setting via XML_GetFeatureList().
613        - Fixed headers for use from C++.
614        - XML_GetCurrentLineNumber() and  XML_GetCurrentColumnNumber()
615          now return unsigned integers.
616        - Added XML_LARGE_SIZE switch to enable 64-bit integers for
617          byte indexes and line/column numbers.
618        - Updated to use libtool 1.5.22 (the most recent).
619        - Added support for AmigaOS.
620        - Some mostly minor bug fixes. SF issues include: #1006708,
621          #1021776, #1023646, #1114960, #1156398, #1221160, #1271642.
622
623Release 1.95.8 Fri Jul 23 2004
624        - Major new feature: suspend/resume.  Handlers can now request
625          that a parse be suspended for later resumption or aborted
626          altogether.  See "Temporarily Stopping Parsing" in the
627          documentation for more details.
628        - Some mostly minor bug fixes, but compilation should no
629          longer generate warnings on most platforms.  SF issues
630          include: #827319, #840173, #846309, #888329, #896188, #923913,
631          #928113, #961698, #985192.
632
633Release 1.95.7 Mon Oct 20 2003
634        - Fixed enum XML_Status issue (reported on SourceForge many
635          times), so compilers that are properly picky will be happy.
636        - Introduced an XMLCALL macro to control the calling
637          convention used by the Expat API; this macro should be used
638          to annotate prototypes and definitions of callback
639          implementations in code compiled with a calling convention
640          other than the default convention for the host platform.
641        - Improved ability to build without the configure-generated
642          expat_config.h header.  This is useful for applications
643          which embed Expat rather than linking in the library.
644        - Fixed a variety of bugs: see SF issues #458907, #609603,
645          #676844, #679754, #692878, #692964, #695401, #699323, #699487,
646          #820946.
647        - Improved hash table lookups.
648        - Added more regression tests and improved documentation.
649
650Release 1.95.6 Tue Jan 28 2003
651        - Added XML_FreeContentModel().
652        - Added XML_MemMalloc(), XML_MemRealloc(), XML_MemFree().
653        - Fixed a variety of bugs: see SF issues #615606, #616863,
654          #618199, #653180, #673791.
655        - Enhanced the regression test suite.
656        - Man page improvements: includes SF issue #632146.
657
658Release 1.95.5 Fri Sep 6 2002
659        - Added XML_UseForeignDTD() for improved SAX2 support.
660        - Added XML_GetFeatureList().
661        - Defined XML_Bool type and the values XML_TRUE and XML_FALSE.
662        - Use an incomplete struct instead of a void* for the parser
663          (may not retain).
664        - Fixed UTF-8 decoding bug that caused legal UTF-8 to be rejected.
665        - Finally fixed bug where default handler would report DTD
666          events that were already handled by another handler.
667          Initial patch contributed by Darryl Miles.
668        - Removed unnecessary DllMain() function that caused static
669          linking into a DLL to be difficult.
670        - Added VC++ projects for building static libraries.
671        - Reduced line-length for all source code and headers to be
672          no longer than 80 characters, to help with AS/400 support.
673        - Reduced memory copying during parsing (SF patch #600964).
674        - Fixed a variety of bugs: see SF issues #580793, #434664,
675          #483514, #580503, #581069, #584041, #584183, #584832, #585537,
676          #596555, #596678, #598352, #598944, #599715, #600479, #600971.
677
678Release 1.95.4 Fri Jul 12 2002
679        - Added support for VMS, contributed by Craig Berry.  See
680          vms/README.vms for more information.
681        - Added Mac OS (classic) support, with a makefile for MPW,
682          contributed by Thomas Wegner and Daryle Walker.
683        - Added Borland C++ Builder 5 / BCC 5.5 support, contributed
684          by Patrick McConnell (SF patch #538032).
685        - Fixed a variety of bugs: see SF issues #441449, #563184,
686          #564342, #566334, #566901, #569461, #570263, #575168, #579196.
687        - Made skippedEntityHandler conform to SAX2 (see source comment)
688        - Re-implemented WFC: Entity Declared from XML 1.0 spec and
689          added a new error "entity declared in parameter entity":
690          see SF bug report #569461 and SF patch #578161
691        - Re-implemented section 5.1 from XML 1.0 spec:
692          see SF bug report #570263 and SF patch #578161
693
694Release 1.95.3 Mon Jun 3 2002
695        - Added a project to the MSVC workspace to create a wchar_t
696          version of the library; the DLLs are named libexpatw.dll.
697        - Changed the name of the Windows DLLs from expat.dll to
698          libexpat.dll; this fixes SF bug #432456.
699        - Added the XML_ParserReset() API function.
700        - Fixed XML_SetReturnNSTriplet() to work for element names.
701        - Made the XML_UNICODE builds usable (thanks, Karl!).
702        - Allow xmlwf to read from standard input.
703        - Install a man page for xmlwf on Unix systems.
704        - Fixed many bugs; see SF bug reports #231864, #461380, #464837,
705          #466885, #469226, #477667, #484419, #487840, #494749, #496505,
706          #547350.  Other bugs which we can't test as easily may also
707          have been fixed, especially in the area of build support.
708
709Release 1.95.2 Fri Jul 27 2001
710        - More changes to make MSVC happy with the build; add a single
711          workspace to support both the library and xmlwf application.
712        - Added a Windows installer for Windows users; includes
713          xmlwf.exe.
714        - Added compile-time constants that can be used to determine the
715          Expat version
716        - Removed a lot of GNU-specific dependencies to aide portability
717          among the various Unix flavors.
718        - Fix the UTF-8 BOM bug.
719        - Cleaned up warning messages for several compilers.
720        - Added the -Wall, -Wstrict-prototypes options for GCC.
721
722Release 1.95.1 Sun Oct 22 15:11:36 EDT 2000
723        - Changes to get expat to build under Microsoft compiler
724        - Removed all aborts and instead return an UNEXPECTED_STATE error.
725        - Fixed a bug where a stray '%' in an entity value would cause an
726          abort.
727        - Defined XML_SetEndNamespaceDeclHandler. Thanks to Darryl Miles for
728          finding this oversight.
729        - Changed default patterns in lib/Makefile.in to fit non-GNU makes
730          Thanks to robin@unrated.net for reporting and providing an
731          account to test on.
732        - The reference had the wrong label for XML_SetStartNamespaceDecl.
733          Reported by an anonymous user.
734
735Release 1.95.0 Fri Sep 29 2000
736        - XML_ParserCreate_MM
737                Allows you to set a memory management suite to replace the
738                standard malloc,realloc, and free.
739        - XML_SetReturnNSTriplet
740                If you turn this feature on when namespace processing is in
741                effect, then qualified, prefixed element and attribute names
742                are returned as "uri|name|prefix" where '|' is whatever
743                separator character is used in namespace processing.
744        - Merged in features from perl-expat
745                o XML_SetElementDeclHandler
746                o XML_SetAttlistDeclHandler
747                o XML_SetXmlDeclHandler
748                o XML_SetEntityDeclHandler
749                o StartDoctypeDeclHandler takes 3 additional parameters:
750                        sysid, pubid, has_internal_subset
751                o Many paired handler setters (like XML_SetElementHandler)
752                  now have corresponding individual handler setters
753                o XML_GetInputContext for getting the input context of
754                  the current parse position.
755        - Added reference material
756        - Packaged into a distribution that builds a sharable library
757