Integer overflow in the get_len function in libavutil/lzo.c in FFmpeg before 0.10.14, 1.1.x before 1.1.12, 1.2.x before 1.2.7, 2.0.x before 2.0.5, 2.1.x before 2.1.5, and 2.2.x before 2.2.4 allows remote attackers to execute arbitrary code via a crafted Literal Run.
https://www.ffmpeg.org/security.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-4537
http://www.openwall.com/lists/oss-security/2014/06/26/23
http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.html