Secunia Security Advisory – Red Hat has issued an update for ruby. This fixes some vulnerabilities, which can be exploited by malicious people to bypass certain security restrictions, cause a DoS (Denial of Service), and conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/71156/sa32351.txt
Source: https://packetstormsecurity.com/files/71156/Secunia-Security-Advisory-32351.html