CVE-2017-6462: Ntp

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Buffer overflow in the legacy Datum Programmable Time Server (DPTS) refclock driver in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via a crafted /dev/datum device.

Affected products

• Ntp Ntp: version 4.2.8 only; version 4.3.0 only; version 4.3.1 only; version 4.3.2 only; version 4.3.3 only; version 4.3.4 only; …

Published 2017-03-27. Last modified 2026-06-17.