The Application Firewall in Apple Mac OS X 10.5 does not apply changed settings to processes that are started by launchd until the processes are restarted, which might allow attackers to bypass intended access restrictions.
https://exchange.xforce.ibmcloud.com/vulnerabilities/38492
http://www.vupen.com/english/advisories/2007/3897
http://www.securityfocus.com/bid/26459
http://securitytracker.com/id?1018958
http://secunia.com/advisories/27695
http://lists.apple.com/archives/security-announce/2007/Nov/msg00004.html