Integer overflow in Trillian 0.74 and earlier, and Trillian Pro 2.01 and earlier, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a directIM packet that triggers a heap-based buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15303
http://www.securityfocus.com/bid/9489
http://securitytracker.com/id?1009220
http://security.e-matters.de/advisories/022004.html
http://secunia.com/advisories/10973
http://lists.seifried.org/pipermail/security/2004-February/001869.html