Secunia Security Advisory – Fedora has issued an update for asterisk. This fixes multiple vulnerabilities, which can lead to unintended configurations and exploited by malicious people to potentially bypass certain security restrictions and cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/87975/sa39248.txt
Source: https://packetstormsecurity.com/files/87975/Secunia-Security-Advisory-39248.html