CVE-2010-1843
Networking in Apple Mac OS X 10.6.2 through 10.6.4 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted PIM packet.
Date published : 2010-11-16
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html