Ubuntu Security Notice USN-123-1 – Two buffer overflows have been discovered in the MMS and Real RTSP stream handlers of the Xine library. By tricking a user to connect to a malicious MMS or RTSP video/audio stream source with an application that uses this library, an attacker could crash the client and possibly even execute arbitrary code with the privileges of the player application.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/39106/USN-123-1.txt
Source: https://packetstormsecurity.com/files/39106/Ubuntu-Security-Notice-123-1.html