A buffer overflow and two remote crashes were recently discovered in gaim’s MSN protocol handler. An attacker could potentially execute arbitrary code with the user’s privileges by crafting and sending a particular MSN message.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34862/USN-8-1.txt
Source: https://packetstormsecurity.com/files/34862/Ubuntu-Security-Notice-8-1.html