Secunia Security Advisory – Fedora has issued an update for pam_krb5. This fixes a security issue, which can be exploited by malicious, local users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/70638/sa32174.txt
Source: https://packetstormsecurity.com/files/70638/Secunia-Security-Advisory-32174.html