The IPv6 implementation in the kernel in Apple Mac OS X before 10.6.8 allows local users to cause a denial of service (NULL pointer dereference and reboot) via vectors involving socket options. Per: http://cwe.mitre.org/data/definitions/476.html
'CWE-476: NULL Pointer Dereference'
Publication date: Sat, 25 Jun 2011 01:55:00 +0000