If ntpd is configured to allow mrulist query requests from a server that sends a crafted malicious packet, ntpd will crash on receipt of that crafted malicious mrulist query packet. http://support.ntp.org/bin/view/Main/NtpBug3082 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-7434
