Secunia Security Advisory – Debian has issued an update for jailer. This fixes a security issue, which 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/72512/sa32959.txt
Source: https://packetstormsecurity.com/files/72512/Secunia-Security-Advisory-32959.html