FFmpeg is vulnerable to denial of service (DoS) attacks and other possible attacks. A malicious user can pass a malicious LucasArts Smush file to the system to cause a segmentation violation that can lead to the system crashing.
ffmpeg.org/security.html
ffmpeg.org/security.html
git.videolan.org/?p=ffmpeg.git;a=commit;h=39bbdebb1ed8eb9c9b0cd6db85afde6ba89d86e4
www.securitytracker.com/id/1033483
lists.debian.org/debian-lts-announce/2018/12/msg00009.html
lists.debian.org/debian-lts-announce/2018/12/msg00009.html
lists.debian.org/debian-lts-announce/2018/12/msg00010.html
lists.debian.org/debian-lts-announce/2018/12/msg00010.html