Secunia Security Advisory – Debian has issued an update for krb4. This fixes two vulnerabilities, which can be exploited by malicious people to compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/37876/sa15572.txt
Source: https://packetstormsecurity.com/files/37876/Secunia-Security-Advisory-15572.html