Provide references for CVE-2006-4023.
Where can I find more information about CVE-2006-4023?
References are available at: http://www.securityfocus.com/archive/1/441708/100/100/threaded, http://www.securityfocus.com/archive/1/441529/100/100/threaded, http://retrogod.altervista.org/php_ip2long.htm, http://securitytracker.com/id?1016609.