Heap-based buffer overflow in libavformat/rtmppkt.c in FFmpeg before 2.8.10, 3.0.x before 3.0.5, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 allows remote attackers to execute arbitrary code by leveraging failure to check for RTMP packet size mismatches.
https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
https://github.com/FFmpeg/FFmpeg/commit/7d57ca4d9a75562fa32e40766211de150f8b3ee7
https://ffmpeg.org/security.html
http://www.securityfocus.com/bid/95989