CVE-2016-9311: Ntp

Medium severity, CVSS 5.9. EPSS: 11.1% chance of exploitation in the next 30 days.

ntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted packet.

Affected products

• Ntp Ntp: up to and including 4.2.8

Published 2017-01-13. Last modified 2026-06-17.