Unspecified vulnerability in the decode_frame function in libavcodec/indeo5.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors, related to an invalid “gop header” and decoding in a “half initialized context.”
ffmpeg.org/security.html
git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=229e4c133287955d5f3f837520a3602709b21950
libav.org/releases/libav-0.7.7.changelog
libav.org/releases/libav-0.8.4.changelog
secunia.com/advisories/50468
secunia.com/advisories/51257
www.mandriva.com/security/advisories?name=MDVSA-2013:079
www.openwall.com/lists/oss-security/2012/08/31/3
www.openwall.com/lists/oss-security/2012/09/02/4
www.securityfocus.com/bid/55355