The ljpegdecodeyuv_scan function in libavcodec/mjpegdec.c in FFmpeg before 2.8.2 omits certain width and height checks, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted MJPEG data.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "7:2.8.3-1", "binary_name": "ffmpeg" }, { "binary_version": "7:2.8.3-1", "binary_name": "ffmpeg-dbg" }, { "binary_version": "7:2.8.3-1", "binary_name": "ffmpeg-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "ffmpeg-doc" }, { "binary_version": "7:2.8.3-1", "binary_name": "libav-tools" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavcodec-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavcodec-extra" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavcodec-ffmpeg-extra56" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavcodec-ffmpeg-extra56-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavcodec-ffmpeg56" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavcodec-ffmpeg56-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavdevice-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavdevice-ffmpeg56" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavdevice-ffmpeg56-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavfilter-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavfilter-ffmpeg5" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavfilter-ffmpeg5-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavformat-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavformat-ffmpeg56" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavformat-ffmpeg56-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavresample-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavresample-ffmpeg2" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavresample-ffmpeg2-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavutil-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavutil-ffmpeg54" }, { "binary_version": "7:2.8.3-1", "binary_name": "libavutil-ffmpeg54-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libpostproc-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libpostproc-ffmpeg53" }, { "binary_version": "7:2.8.3-1", "binary_name": "libpostproc-ffmpeg53-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libswresample-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libswresample-ffmpeg1" }, { "binary_version": "7:2.8.3-1", "binary_name": "libswresample-ffmpeg1-dbgsym" }, { "binary_version": "7:2.8.3-1", "binary_name": "libswscale-dev" }, { "binary_version": "7:2.8.3-1", "binary_name": "libswscale-ffmpeg3" }, { "binary_version": "7:2.8.3-1", "binary_name": "libswscale-ffmpeg3-dbgsym" } ] }