Secunia Security Advisory – Fedora has issued an update for ruby. This fixes a security issue, which can be exploited by malicious people to conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60533/sa27432.txt
Source: https://packetstormsecurity.com/files/60533/Secunia-Security-Advisory-27432.html