Secunia Security Advisory – Red Hat has issued an update for ruby. 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/40675/sa17147.txt
Source: https://packetstormsecurity.com/files/40675/Secunia-Security-Advisory-17147.html