The TIFFReadDirEntryArray function in tif_read.c in LibTIFF mishandles memory allocation for short files, which allows attackers to cause a denial of service (allocation failure and application crash) in the TIFFFetchStripThing function in tif_dirread.c during a tiff2pdf invocation. Upstream issue: http://bugzilla.maptools.org/show_bug.cgi?id=2725 Upstream patch: https://github.com/vadz/libtiff/commit/dc02f9050311a90b3c0655147cee09bfa7081cfc
Created libtiff tracking bugs for this issue: Affects: fedora-all [bug 1474373] Created mingw-libtiff tracking bugs for this issue: Affects: epel-7 [bug 1474372] Affects: fedora-all [bug 1474374]