Debian Security Advisory 1781-1 – Several vulnerabilities have been discovered in ffmpeg, a multimedia player, server and encoder.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/77105/dsa-1781-1.txt
Source: https://packetstormsecurity.com/files/77105/Debian-Linux-Security-Advisory-1781-1.html