CVE-2016-7429: Ntp

Low severity, CVSS 3.7. EPSS: 7.4% chance of exploitation in the next 30 days.

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

Affected products

• Ntp Ntp: up to and including 4.2.8

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