CVE-2015-6822 Information

Description

The destroy_buffers function in libavcodec/sanm.c in FFmpeg before 2.7.2 does not properly maintain height and width values in the video context which allows remote attackers to cause a denial of service (segmentation violation and application crash) or possibly have unspecified other impact via crafted LucasArts Smush video data.

Reference

http://ffmpeg.org/security.html http://git.videolan.org/?p=ffmpeg.git;a=commit;h=39bbdebb1ed8eb9c9b0cd6db85afde6ba89d86e4 http://www.securitytracker.com/id/1033483 https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html https://lists.debian.org/debian-lts-announce/2018/12/msg00010.html