Secunia Security Advisory – rPath has issued an update for krb5. This fixes a security issue, which potentially can be exploited by malicious, local users to perform certain actions with escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48903/sa21456.txt
Source: https://packetstormsecurity.com/files/48903/Secunia-Security-Advisory-21456.html

