tag can return one channel, with the other two channels set to
NULL. The tiff2pdf code was expecting that other two channels
were duplicate pointers in the case where there is only one
channel. Detect this condition in order to avoid a crash, and
presumably perform correctly with just one channel.
sp->dec_codetab in LZWPreDecode (bug #2459)
* libtiff/tif_read.c: in TIFFReadBufferSetup(), avoid passing -1 size
to TIFFmalloc() if passed user buffer size is 0 (bug #2459)
* libtiff/tif_ojpeg.c: make Coverity happier (not a bug, #2459)
* libtiff/tif_dir.c: in _TIFFVGetField() and _TIFFVSetField(), make
Coverity happier (not a bug, #2459)
* libtiff/tif_dirread.c: in TIFFFetchNormalTag(), make Coverity happier
(not a bug, #2459)
* tools/tiff2pdf.c: close PDF file (bug #2479)
* tools/fax2ps.c: check malloc()/realloc() result (bug #2470)
* tools/tiffdump.c: detect cycle in TIFF directory chaining (bug #2463)
and avoid passing a NULL pointer to read() if seek() failed before (bug #2459)
* tools/tiffcrop.c: fix segfault if bad value passed to -Z option
(bug #2459) and add missing va_end in dump_info (#2459)
* tools/gif2tif.c: apply patch for CVE-2013-4243 (#2451)
be defective, then set it to zero before returning error in order
to terminate processing of truncated TIFF. Issue found and fix
suggested by Richard Nolde.
* tools/gif2tiff.c: fix possible OOB write (#2452, CVE-2013-4244)
* tools/tiff2pdf.c: terminate after failure of allocating
* tools/tiffinfo.c: Default various values fetched with
rotation angle was set by the auto rotate check, it was retained
for all pages that followed instead of being retested for each
page. Patch by Richard Nolde.
some TIFF/FX support in libtiff. Add the tag definitions to
tiff.h. Add the related TIFF field definitions to tif_dirinfo.c,
and also fixes an error in a comment. Adds the photometric values
to tif_print.c, and fixes a bug. These changes are by Steve
Underwood.
* libtiff/tif_write.c: Fix bug rewriting image tiles in a
IJG JPEG 7+ uses a different upsampling algorithm which produces
different numeric results.
* libtiff/tif_jpeg.c (JPEGPreDecode): Patch from Even Rouault to
work with IJG JPEG 7+.
