Debian Linux Security Advisory 1948-1 – Robin Park and Dmitri Vinokurov discovered that the daemon component of the ntp package, a reference implementation of the NTP protocol, is not properly reacting to certain incoming packets.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/83586/dsa-1948-1.txt
Source: https://packetstormsecurity.com/files/83586/Debian-Linux-Security-Advisory-1948-1.html