Debian Security Advisory 1721-1 – Several local vulnerabilities have been discovered in the PAM module for MIT Kerberos.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/74872/dsa-1721-1.txt
Source: https://packetstormsecurity.com/files/74872/Debian-Linux-Security-Advisory-1721-1.html