A new patch for Halo: Combat Evolved is now available, upgrading the sci-fi 3D action game by Gearbox and Bungie to version 1.04. Word is: "The GameSpy Security update addresses a rare crash bug that could occur if a malicious individual (hacker) purposely tries to exploit the GameSpy CDKey SDK." The corresponding v1.04 patch for the Win32 dedicated has also been released.