SWAT 4 1.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a (1) VERIFYCONTENT or (2) GAMECONFIG command sent to the server before user session initialization, which triggers a NULL pointer dereference; or (3) a GAMESPYRESPONSE command followed by a long RS string.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3286)