Battlefield 1942 versions 1.6.19 and below and Battlefield Vietnam versions 1.2 and below suffer from a client side denial of service flaw.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/35264/bfcboom.txt
Source: https://packetstormsecurity.com/files/35264/bfcboom.txt.html