libavcodec/tiff.c in FFmpeg before 2.8.6 does not properly validate RowsPerStrip values and YCbCr chrominance subsampling factors, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted TIFF file, related to the tiff_decode_tag and decode_frame functions.
https://security.gentoo.org/glsa/201606-09
http://www.securitytracker.com/id/1035010
http://www.securityfocus.com/bid/84212
http://lists.opensuse.org/opensuse-updates/2016-02/msg00129.html
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=89f464e9c229006e16f6bb5403c5529fdd0a9edd