The Unreal game engine for Windows, MacOS, and Linux has a format string bug that allows an attacker to remotely crash or execute malicious code on the server. Games affected: America's Army, DeusEx, Devastation, Magic Battlegrounds, Mobile Forces, Nerf Arena Blast, Postal 2, Rainbow Six: Raven Shield, Rune, Sephiroth: 3rd episode the Crusade, Star Trek: Klingon Honor Guard, Tactical Ops, TNN Pro Hunter, Unreal 1, Unreal II XMP, Unreal Tournament, Unreal Tournament 2003, Wheel of Time, X-com Enforcer, and XIII.
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