Multiple unspecified vulnerabilities in Libav before 0.8.12 allow remote attackers to have unknown impact and vectors.

Multiple unspecified vulnerabilities in the (1) decodebandhdr function in indeo4.c and (2) ffividecodeblocks function in ivicommon.c in libavcodec/ in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.5, have unknown impact and attack vectors, related to the "transform size."

Unspecified vulnerability in libavcodec/vp56.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.5, has unknown impact and attack vectors, related to "freeing the returned frame."

Double free vulnerability in the mpegdecodeframe function in libavcodec/mpeg12.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.5, has unknown impact and attack vectors, related to resetting the data size value.

Unspecified vulnerability in the decodeframemp3on4 function in libavcodec/mpegaudiodec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.5 has unknown impact and attack vectors related to a calculation that prevents a frame from being "large enough."

Unspecified vulnerability in libavcodec/indeo3.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.5 has unknown impact and attack vectors, related to "reallocation code" and the luma height and width.