Secunia Security Advisory – Debian has issued an update for acpid. This fixes a vulnerability, which can be exploited by malicious, local users to gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/84111/sa37885.txt
Source: https://packetstormsecurity.com/files/84111/Secunia-Security-Advisory-37885.html