Unspecified vulnerability in the ac3_decode_frame function in libavcodec/ac3dec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.4 has unknown impact and attack vectors, related to the “number of output channels” and “out of array writes.”
ffmpeg.org/security.html
git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=2c22701c371c2f3dea21fcdbb97c981939fb77af
libav.org/releases/libav-0.8.4.changelog
libav.org/releases/libav-0.8.5.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
www.ubuntu.com/usn/USN-1705-1