Secunia Security Advisory – Gentoo has issued an update for x11vnc. This fixes a vulnerability, which can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48863/sa21405.txt
Source: https://packetstormsecurity.com/files/48863/Secunia-Security-Advisory-21405.html