Secunia Security Advisory – Debian has issued an update for quagga. This fixes two 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/93581/sa41238.txt
Source: https://packetstormsecurity.com/files/93581/Secunia-Security-Advisory-41238.html