Secunia Security Advisory – Gentoo has issued an update for libvncserver. 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/48814/sa21349.txt
Source: https://packetstormsecurity.com/files/48814/Secunia-Security-Advisory-21349.html