Secunia Security Advisory – Debian has issued an update for tkdiff. This fixes a vulnerability, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42566/sa18215.txt
Source: https://packetstormsecurity.com/files/42566/Secunia-Security-Advisory-18215.html