Unspecified vulnerability in the decode_init function in libavcodec/wmalosslessdec.c in FFmpeg before 0.11 has unknown impact and attack vectors, related to the samples per frame.
http://www.securityfocus.com/bid/55355
http://www.openwall.com/lists/oss-security/2012/09/02/4
http://www.openwall.com/lists/oss-security/2012/08/31/3
http://secunia.com/advisories/50468
http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=d442c4462a2692e27a24e1a9d0eb6f18725c7bd8