Debian Linux Security Advisory 2045-1 – Bob Clary, Dan Kaminsky and David Keeler discovered that in libtheora, a video library part of the Ogg project, several flaws allow allow context-dependent attackers via a large and specially crafted media file, to cause a denial of service (crash of the player using this library), and possibly arbitrary code execution.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/89433/dsa-2045-1.txt
Source: https://packetstormsecurity.com/files/89433/Debian-Linux-Security-Advisory-2045-1.html