CVE-2006-4397
Unchecked error condition in LoginWindow in Apple Mac OS X 10.4 through 10.4.7 prevents Kerberos tickets from being destroyed if a user does not successfully log on to a network account from the login window, which might allow later users to gain access to the original user’s Kerberos tickets.
Date published : 2006-10-02
http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html