Secunia Security Advisory – Fedora has issued updates for xscreensaver, tempest, and rss-glx. These fix a security issue, which can be exploited by malicious people with physical access to a system to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60388/sa27392.txt
Source: https://packetstormsecurity.com/files/60388/Secunia-Security-Advisory-27392.html