Secunia Security Advisory – Gentoo has issued an update for ffmpeg, gst-plugins-ffmpeg, and mplayer. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75917/sa34385.txt
Source: https://packetstormsecurity.com/files/75917/Secunia-Security-Advisory-34385.html