Secunia Security Advisory – Ubuntu has issued an update for libvorbis. This fixes two vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise an application using the library.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80617/sa36463.txt
Source: https://packetstormsecurity.com/files/80617/Secunia-Security-Advisory-36463.html