CVE-2017-12944: Allocation of Resources Without Limits or Throttling

The TIFFReadDirEntryArray function in tifread.c in LibTIFF 4.0.8 mishandles memory allocation for short files, which allows remote attackers to cause a denial of service allocation failure and application crash in the TIFFFetchStripThing function in tifdirread.c during a tiff2pdf invocation...