The Lithtech engine used in games like Alien vs Predator 2, Blood 2, Contract Jack, Global Operations, Kiss Psycho Circus, and more, is susceptible to some format string bugs that allows for a denial of service attack.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34962/lithtech.txt
Source: https://packetstormsecurity.com/files/34962/lithtech.txt.html