tools/tiffcrop.c in LibTIFF 4.0.7 allows remote attackers to cause a denial of service (heap-based buffer over-read and buffer overflow) or possibly have unspecified other impact via a crafted TIFF image, related to READ of size 1 and libtiff/tif_fax3.c:413:13. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-10271
