Buffer overflow in (1) Call of Duty 1.5b and earlier, (2) Call of Duty United Offensive 1.51b and earlier, and (3) Call of Duty 2 1.3 and earlier allows remote attackers to execute arbitrary code via a long map argument to the "callvote map" command.

Call of Duty 1.4 and earlier allows remote attackers to cause a denial of service (game end) via a large (1) query or (2) reply packet, which is not properly handled by the buffer overflow protection mechanism. NOTE: this issue might overlap CVE-2005-0430.

Quake 3 engine, as used in multiple games, allows remote attackers to cause a denial of service (client disconnect) via a long message, which is not properly truncated and causes the engine to process the remaining data as if it were network data.