Secunia Security Advisory – Gentoo has issued an update for xscreensaver. This fixes a weakness, which potentially can be exploited by malicious, local users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/56688/sa25225.txt
Source: https://packetstormsecurity.com/files/56688/Secunia-Security-Advisory-25225.html