Nexuiz < 2.2.1 is reportedly vulnerable to: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-6609 (remote DoS) http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-6610 (command injection) Version numbers indicate that all FC4+ distro versions may be vulnerable.
Updated FC4+ to 2.2.1.