| From the CVE entries:
Unspecified vulnerability in libavcodec/vp56.c in FFmpeg before 0.11 has unknown impact and attack vectors, related to "freeing the returned frame." (CVE-2012-2783)
Multiple unspecified vulnerabilities in the (1) decode_band_hdr function in indeo4.c and (2) ff_ivi_decode_blocks function in ivi_common.c in libavcodec/ in FFmpeg before 0.11 have unknown impact and attack vectors, related to the "transform size." (CVE-2012-2791)
Unspecified vulnerability in the decode_frame_mp3on4 function in libavcodec/mpegaudiodec.c in FFmpeg before 0.11 has unknown impact and attack vectors related to a calculation that prevents a frame from being "large enough." (CVE-2012-2797)
Double free vulnerability in the mpeg_decode_frame function in libavcodec/mpeg12.c in FFmpeg before 0.11 has unknown impact and attack vectors, related to resetting the data size value. (CVE-2012-2803)
Unspecified vulnerability in libavcodec/indeo3.c in FFmpeg before 0.11 has unknown impact and attack vectors, related to "reallocation code" and the luma height and width. (CVE-2012-2804) | 