Secunia Security Advisory – Debian has issued an update for quagga. This fixes a vulnerability, 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/77275/sa34999.txt
Source: https://packetstormsecurity.com/files/77275/Secunia-Security-Advisory-34999.html