Secunia Security Advisory – NetBSD has issued an update for ntp. 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/88946/sa39593.txt
Source: https://packetstormsecurity.com/files/88946/Secunia-Security-Advisory-39593.html