Secunia Security Advisory – Debian has issued an update for ntp. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/77686/sa35169.txt
Source: https://packetstormsecurity.com/files/77686/Secunia-Security-Advisory-35169.html