CVE-2006-4410
The Security Framework in Apple Mac OS X 10.3.9, and 10.4.x before 10.4.7, does not properly search certificate revocation lists (CRL), which allows remote attackers to access systems by using revoked certificates.
Date published : 2006-11-30
http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html