Secunia Security Advisory – Ubuntu has issued an update for libvorbis. This fixes multiple vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise an application using this library.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/82909/sa37411.txt
Source: https://packetstormsecurity.com/files/82909/Secunia-Security-Advisory-37411.html