Secunia Security Advisory – Gentoo has issued an update for silc-toolkit and silc-client. This fixes multiple vulnerabilities that 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/90196/sa39962.txt
Source: https://packetstormsecurity.com/files/90196/Secunia-Security-Advisory-39962.html

