Call of Duty versions 1.5b and below and Call of Duty: Untied Offensive versions 1.51b and below are susceptible to remote buffer overflows.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/36957/callOfDuty.txt
Source: https://packetstormsecurity.com/files/36957/callOfDuty.txt.html