Secunia Security Advisory – Gentoo has issued an update for asterisk. This fixes two vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/55639/sa24719.txt
Source: https://packetstormsecurity.com/files/55639/Secunia-Security-Advisory-24719.html