Ubuntu Security Notice USN-675-2 – It was discovered that Gaim did not properly handle certain malformed messages in the MSN protocol handler. A remote attacker could send a specially crafted message and possibly execute arbitrary code with user privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/72218/USN-675-2.txt
Source: https://packetstormsecurity.com/files/72218/Ubuntu-Security-Notice-675-2.html