The OJPEGReadBufferFill function in tif_ojpeg.c in LibTIFF before 3.9.3 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an OJPEG image with undefined strip offsets, related to the TIFFVGetField function.
Gentoo Linux Security Advisory 201209-2 - Multiple vulnerabilities in libTIFF could result in execution of arbitrary code or Denial of Service. Versions less than 4.0.2-r1 are affected.