The TIFFWriteDirectoryTagLongLong8Array function in tif_dirwrite.c in the tiffset tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via vectors involving the ma variable. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-3658
