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Built SDL2_image and _mixer static

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Alan Youngblood
2022-09-30 15:49:16 -04:00
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Changes in TIFF v4.0.9
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<FONT FACE="Helvetica, Arial, Sans">
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<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
<BASEFONT SIZE=3>
<UL>
<HR SIZE=4 WIDTH=65% ALIGN=left>
<B>Current Version</B>: v4.0.9<BR>
<B>Previous Version</B>: <A HREF=v4.0.8.html>v4.0.8</a><BR>
<B>Master FTP Site</B>: <A HREF="ftp://download.osgeo.org/libtiff">
download.osgeo.org</a>, directory pub/libtiff</A><BR>
<B>Master HTTP Site #1</B>: <A HREF="http://www.simplesystems.org/libtiff/">
http://www.simplesystems.org/libtiff/</a><BR>
<B>Master HTTP Site #2</B>: <A HREF="http://libtiff.maptools.org/">
http://libtiff.maptools.org/</a>
<HR SIZE=4 WIDTH=65% ALIGN=left>
</UL>
<P>
This document describes the changes made to the software between the
<I>previous</I> and <I>current</I> versions (see above). If you don't
find something listed here, then it was not done in this timeframe, or
it was not considered important enough to be mentioned. The following
information is located here:
<UL>
<LI><A HREF="#highlights">Major Changes</A>
<LI><A HREF="#configure">Changes in the software configuration</A>
<LI><A HREF="#libtiff">Changes in libtiff</A>
<LI><A HREF="#tools">Changes in the tools</A>
<LI><A HREF="#contrib">Changes in the contrib area</A>
</UL>
<p>
<P><HR WIDTH=65% ALIGN=left>
<!--------------------------------------------------------------------------->
<A NAME="highlights"><B><FONT SIZE=+3>M</FONT>AJOR CHANGES:</B></A>
<UL>
<LI> None
</UL>
<P><HR WIDTH=65% ALIGN=left>
<!--------------------------------------------------------------------------->
<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
<UL>
<LI> test/Makefile.am: Add some tests for tiff2bw.
<LI> * .appveyor.yml, .travis.yml, build/travis-ci: apply patches
0001-ci-Travis-script-improvements.patch and
0002-ci-Invoke-helper-script-via-shell.patch by Roger Leigh
(sent to mailing list)
<LI> .travis.yml, build/travis-ci: new files from
0001-ci-Add-Travis-support-for-Linux-builds-with-Autoconf.patch by
Roger Leigh (sent to mailing list on 2017-06-08)
This patch adds support for the Travis-CI service.
<LI> .appveyor.yml: new file from
0002-ci-Add-AppVeyor-support.patch by Roger Leigh (sent to mailing
list on 2017-06-08)
This patch adds a .appveyor.yml file to the top-level. This allows
one to opt in to having a branch built on Windows with Cygwin,
MinGW and MSVC automatically when a branch is pushed to GitHub,
GitLab, BitBucket or any other supported git hosting service.
<LI> CMakeLists.txt, test/CMakeLists.txt, test/TiffTestCommon.cmake: apply
patch 0001-cmake-Improve-Cygwin-and-MingGW-test-support.patch from Roger
Leigh (sent to mailing list on 2017-06-08)
This patch makes the CMake build system support running the tests
with MinGW or Cygwin.
<LI> test/tiffcp-lzw-compat.sh, test/images/quad-lzw-compat.tiff: new files
to test old-style LZW decompression
<LI> test/common.sh, Makefile.am, CMakeList.txt: updated with above
<LI> test/Makefile.am: add missing reference to images/quad-lzw-compat.tiff
to fix "make distcheck". Patch by Roger Leigh
<LI> nmake.opt: support a DEBUG=1 option, so as to adjust OPTFLAGS and use
/MDd runtime in debug mode.
</UL>
<P><HR WIDTH=65% ALIGN=left>
<!--------------------------------------------------------------------------->
<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
<UL>
<LI> libtiff/tif_color.c: TIFFYCbCrToRGBInit(): stricter clamping to avoid
int32 overflow in TIFFYCbCrtoRGB().
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1844
Credit to OSS Fuzz
<LI> libtiff/tif_getimage.c: initYCbCrConversion(): stricter validation for
refBlackWhite coefficients values. To avoid invalid float->int32 conversion
(when refBlackWhite[0] == 2147483648.f)
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1907
Credit to OSS Fuzz
<LI> libtiff/tif_dirinfo.c, tif_dirread.c: add _TIFFCheckFieldIsValidForCodec(),
and use it in TIFFReadDirectory() so as to ignore fields whose tag is a
codec-specified tag but this codec is not enabled. This avoids TIFFGetField()
to behave differently depending on whether the codec is enabled or not, and
thus can avoid stack based buffer overflows in a number of TIFF utilities
such as tiffsplit, tiffcmp, thumbnail, etc.
Patch derived from 0063-Handle-properly-CODEC-specific-tags.patch
(http://bugzilla.maptools.org/show_bug.cgi?id=2580) by Raphaël Hertzog.
Fixes:
http://bugzilla.maptools.org/show_bug.cgi?id=2580
http://bugzilla.maptools.org/show_bug.cgi?id=2693
http://bugzilla.maptools.org/show_bug.cgi?id=2625 (CVE-2016-10095)
http://bugzilla.maptools.org/show_bug.cgi?id=2564 (CVE-2015-7554)
http://bugzilla.maptools.org/show_bug.cgi?id=2561 (CVE-2016-5318)
http://bugzilla.maptools.org/show_bug.cgi?id=2499 (CVE-2014-8128)
http://bugzilla.maptools.org/show_bug.cgi?id=2441
http://bugzilla.maptools.org/show_bug.cgi?id=2433
<LI> libtiff/tif_swab.c: if DISABLE_CHECK_TIFFSWABMACROS is defined, do not do
the #ifdef TIFFSwabXXX checks. Make it easier for GDAL to rename the symbols
of its internal libtiff copy.
<LI> libtiff/tif_dirread.c: fix regression of libtiff 4.0.8 in
ChopUpSingleUncompressedStrip() regarding update of newly single-strip
uncompressed files whose bytecount is 0. Before the change of 2016-12-03,
the condition bytecount==0 used to trigger an early exit/disabling of
strip chop. Re-introduce that in update mode. Otherwise this cause
later incorrect setting for the value of StripByCounts/StripOffsets.
( https://trac.osgeo.org/gdal/ticket/6924 )
<LI> libtiff/tif_dirread.c: TIFFFetchStripThing(): limit the number of items
read in StripOffsets/StripByteCounts tags to the number of strips to avoid
excessive memory allocation.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2215
Credit to OSS Fuzz
<LI> libtiff/tif_getimage.c: avoid many (harmless) unsigned int overflows.
<LI> libtiff/tif_fax3.c: avoid unsigned int overflow in Fax3Encode2DRow(). Could
potentially be a bug with huge rows.
<LI> libtiff/tif_jpeg.c: avoid (harmless) unsigned int overflow on tiled images.
<LI> libtiff/tif_dirread.c: avoid unsigned int overflow in EstimateStripByteCounts()
and BYTECOUNTLOOKSBAD when file is too short.
<LI> libtiff/tif_predict.c: decorate legitimate functions where unsigned int
overflow occur with TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW
* libtiff/tif_dirread.c: avoid unsigned int overflow in EstimateStripByteCounts()
<LI> libtiff/tiffiop.h: add TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW macro to
disable CLang warnings raised by -fsanitize=undefined,unsigned-integer-overflow
<LI> libtiff/tif_jpeg.c: add anti-denial of service measure to avoid excessive
CPU consumption on progressive JPEGs with a huge number of scans.
See http://www.libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf
Note: only affects libtiff since 2014-12-29 where support of non-baseline JPEG
was added.
<LI> libtiff/tif_jpeg.c: error out at decoding time if anticipated libjpeg
memory allocation is above 100 MB. libjpeg in case of multiple scans,
which is allowed even in baseline JPEG, if components are spread over several
scans and not interleavedin a single one, needs to allocate memory (or
backing store) for the whole strip/tile.
See http://www.libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf
This limitation may be overriden by setting the
LIBTIFF_ALLOW_LARGE_LIBJPEG_MEM_ALLOC environment variable, or recompiling
libtiff with a custom value of TIFF_LIBJPEG_LARGEST_MEM_ALLOC macro.
<LI> libtiff/tif_jbig.c: fix memory leak in error code path of JBIGDecode()
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2706
Reported by team OWL337
<LI> libtiff/tif_dirread.c: in TIFFReadDirEntryFloat(), check that a
double value can fit in a float before casting. Patch by Nicolas RUFF
<LI> libtiff/tiffiop.h, libtiff/tif_jpeg.c, libtiff/tif_jpeg_12.c,
libtiff/tif_read.c: make TIFFReadScanline() works in
CHUNKY_STRIP_READ_SUPPORT mode with JPEG stream with multiple scans.
Also make configurable through a LIBTIFF_JPEG_MAX_ALLOWED_SCAN_NUMBER
environment variable the maximum number of scans allowed. Defaults to
100.
<LI> libtiff/tif_read.c: TIFFFillTile(): add limitation to the number
of bytes read in case td_stripbytecount[strip] is bigger than
reasonable, so as to avoid excessive memory allocation (similarly to
what was done for TIFFFileStrip() on 2017-05-10)
<LI> libtiff/tif_getimage.c: use _TIFFReadEncodedStripAndAllocBuffer().
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2708 and
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2433 .
Credit to OSS Fuzz
<LI> libtiff/tif_read.c, tiffiop.h: add a _TIFFReadEncodedStripAndAllocBuffer()
function, variant of TIFFReadEncodedStrip() that allocates the
decoded buffer only after a first successful TIFFFillStrip(). This avoids
excessive memory allocation on corrupted files.
<LI> libtiff/tif_dirwrite.c: in TIFFWriteDirectoryTagCheckedXXXX()
functions associated with LONG8/SLONG8 data type, replace assertion that
the file is BigTIFF, by a non-fatal error.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2712
Reported by team OWL337
<LI> libtiff/tif_read.c: TIFFStartTile(): set tif_rawcc to
tif_rawdataloaded when it is set. Similarly to TIFFStartStrip().
This issue was revealed by the change of 2017-06-30 in TIFFFileTile(),
limiting the number of bytes read. But it could probably have been hit
too in CHUNKY_STRIP_READ_SUPPORT mode previously ?
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2454
Credit to OSS Fuzz
<LI> libtiff/tif_error.c, tif_warning.c: correctly use va_list when both
an old-style and new-style warning/error handlers are installed.
Patch by Paavo Helde (sent on the mailing list)
<LI> libtiff/tif_getimage.c: use _TIFFReadTileAndAllocBuffer().
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2470
Credit to OSS Fuzz.
<LI> libtiff/tif_read.c, tiffiop.h: add a _TIFFReadEncodedTileAndAllocBuffer()
and _TIFFReadTileAndAllocBuffer() variants of TIFFReadEncodedTile() and
TIFFReadTile() that allocates the decoded buffer only after a first
successful TIFFFillTile(). This avoids excessive memory allocation
on corrupted files.
<LI> libtiff/tif_pixarlog.c: avoid excessive memory allocation on decoding
when RowsPerStrip tag is not defined (and thus td_rowsperstrip == UINT_MAX)
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2554
Credit to OSS Fuzz
<LI> libtiff/tif_lzw.c: fix 4.0.8 regression in the decoding of old-style LZW
compressed files.
<LI> libtiff/tif_lzw.c: fix potential out-of-buffer read on 1-byte LZW
strips. Crashing issue only on memory mapped files, where the strip
offset is the last byte of the file, and the file size is a multiple
of one page size on the CPU architecture (typically 4096). Credit
to myself :-)
<LI> libtiff/tif_dir.c: avoid potential null pointer dereference in
_TIFFVGetField() on corrupted TIFFTAG_NUMBEROFINKS tag instance.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2713
<LI> tools/tiff2pdf.c: prevent heap buffer overflow write in "Raw"
mode on PlanarConfig=Contig input images.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2715
Reported by team OWL337
<LI> libtiff/tif_read.c: TIFFFillStrip() / TIFFFillTile().
Complementary fix for http://bugzilla.maptools.org/show_bug.cgi?id=2708
in the isMapped() case, so as to avoid excessive memory allocation
when we need a temporary buffer but the file is truncated.
<LI> libtiff/tif_read.c: TIFFFillStrip() / TIFFFillTile().
Complementary fix for http://bugzilla.maptools.org/show_bug.cgi?id=2708
in the isMapped() case, so as to avoid excessive memory allocation
when we need a temporary buffer but the file is truncated.
<LI> libtiff/tif_read.c: in TIFFFetchStripThing(), only grow the
arrays that hold StripOffsets/StripByteCounts, when they are smaller
than the expected number of striles, up to 1 million striles, and
error out beyond. Can be tweaked by setting the environment variable
LIBTIFF_STRILE_ARRAY_MAX_RESIZE_COUNT.
This partially goes against a change added on 2002-12-17 to accept
those arrays of wrong sizes, but is needed to avoid denial of services.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2350
Credit to OSS Fuzz
<LI> libtiff/tif_read.c: in TIFFFetchStripThing(), only grow the
arrays that hold StripOffsets/StripByteCounts, when they are smaller
than the expected number of striles, up to 1 million striles, and
error out beyond. Can be tweaked by setting the environment variable
LIBTIFF_STRILE_ARRAY_MAX_RESIZE_COUNT.
This partially goes against a change added on 2002-12-17 to accept
those arrays of wrong sizes, but is needed to avoid denial of services.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2350
Credit to OSS Fuzz
<LI> libtiff/tif_read.c: add protection against excessive memory
allocation attempts in TIFFReadDirEntryArray() on short files.
Effective for mmap'ed case. And non-mmap'ed case, but restricted
to 64bit builds.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2675
<LI> libtiff/tif_read.c: add protection against excessive memory
allocation attempts in TIFFReadDirEntryArray() on short files.
Effective for mmap'ed case. And non-mmap'ed case, but restricted
to 64bit builds.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2675
<LI> libtiff/tif_luv.c: LogLuvInitState(): avoid excessive memory
allocation when RowsPerStrip tag is missing.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2683
Credit to OSS-Fuzz
<LI> libtiff/tif_getimage.c: gtTileContig() and gtTileSeparate():
properly break from loops on error when stoponerr is set, instead
of going on iterating on row based loop.
<LI> libtiff/tif_getimage.c: fix fromskew computation when to-be-skipped
pixel number is not a multiple of the horizontal subsampling, and
also in some other cases. Impact putcontig8bitYCbCr44tile,
putcontig8bitYCbCr42tile, putcontig8bitYCbCr41tile,
putcontig8bitYCbCr21tile and putcontig8bitYCbCr12tile
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2637 (discovered
by Agostino Sarubbo)
and https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2691 (credit
to OSS Fuzz)
<LI> libtiff/tif_luv.c: further reduce memory requirements for temporary
buffer when RowsPerStrip >= image_length in LogLuvInitState() and
LogL16InitState().
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2700
Credit to OSS Fuzz
<LI> libtiff/tif_dirwrite.c: replace assertion related to not finding the
SubIFD tag by runtime check (in TIFFWriteDirectorySec())
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2727
Reported by team OWL337
<LI> libtiff/tif_dirwrite.c: replace assertion to tag value not fitting
on uint32 when selecting the value of SubIFD tag by runtime check
(in TIFFWriteDirectoryTagSubifd()).
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2728
Reported by team OWL337
<LI> libtiff/tif_jpeg.c: accept reading the last strip of a JPEG compressed
file if the codestream height is larger than the truncated height of the
strip. Emit a warning in this situation since this is non compliant.
<LI> libtiff/tiffiop.h, tif_aux.c: redirect SeekOK() macro to a _TIFFSeekoK()
function that checks if the offset is not bigger than INT64_MAX, so as
to avoid a -1 error return code of TIFFSeekFile() to match a required
seek to UINT64_MAX/-1.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2726
Adapted from proposal by Nicolas Ruff.
<LI> libtiff/tif_dirread.c: add NULL check to avoid likely false positive
null-pointer dereference warning by CLang Static Analyzer.
<LI> libtiff/libtiff.def: add TIFFReadRGBAStripExt and TIFFReadRGBATileExt
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2735
<LI> libtiff/tif_jpeg.c: add compatibility with libjpeg-turbo 1.5.2 that
honours max_memory_to_use > 0.
Cf https://github.com/libjpeg-turbo/libjpeg-turbo/issues/162
<LI> libtiff/tif_getimage.c: avoid floating point division by zero in
initCIELabConversion()
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3733
Credit to OSS Fuzz
</UL>
<P><HR WIDTH=65% ALIGN=left>
<!-------------------------------------------------------------------------->
<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
<UL>
<LI> tools/tiff2pdf.c: prevent heap buffer overflow write in "Raw"
mode on PlanarConfig=Contig input images.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2715
Reported by team OWL337
<LI> tools/tiffset.c: fix setting a single value for the ExtraSamples tag
(and other tags with variable number of values).
So 'tiffset -s ExtraSamples 1 X'. This only worked
when setting 2 or more values, but not just one.
<LI> tools/fax2tiff.c (_FAX_Client_Data): Pass FAX_Client_Data as the
client data. This client data is not used at all at the moment,
but it makes the most sense. Issue that the value of
client_data.fd was passed where a pointer is expected was reported
via email by Gerald Schade on Sun, 29 Oct 2017.
<LI> tools/tiff2pdf.c (t2p_sample_realize_palette): Fix possible
arithmetic overflow in bounds checking code and eliminate
comparison between signed and unsigned type.
<LI> tools/tiff2bw.c (main): Free memory allocated in the tiff2bw
program. This is in response to the report associated with
CVE-2017-16232 but does not solve the extremely high memory usage
with the associated POC file.
</UL>
<P><HR WIDTH=65% ALIGN=left>
<!--------------------------------------------------------------------------->
<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:</B></A>
<UL>
<LI> None
</UL>
Last updated $Date: 2017-11-18 19:38:06 $.
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