A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Cerulean Studios Trillian Pro. Authentication is not required to exploit this vulnerability. The specific flaw exists within XML parsing in talk.dll. When processing certain malformed attributes within an ‘IMG’ tags, it is possible to overwrite past an allocated heap chunk which can eventually lead to code execution under the context of the currently user.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/66603/ZDI-08-030.txt
Source: https://packetstormsecurity.com/files/66603/Zero-Day-Initiative-Advisory-08-030.html