Secunia Security Advisory – Gentoo has issued an update for asterisk. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/51506/sa22651.txt
Source: https://packetstormsecurity.com/files/51506/Secunia-Security-Advisory-22651.html