CVE-2026-26076 – ntpd-rs affected by excessive CPU load from malformed packets

CVE ID : CVE-2026-26076

Published : Feb. 12, 2026, 9:48 p.m. | 39 minutes ago

Description : ntpd-rs is a full-featured implementation of the Network Time Protocol. Prior to 1.7.1, an attacker can remotely induce moderate increases (2-4 times above normal) in cpu usage. When having NTS enabled on an ntpd-rs server, an attacker can create malformed NTS packets that take significantly more effort for the server to respond to by requesting a large number of cookies. This can lead to degraded server performance even when a server could otherwise handle the load. This vulnerability is fixed in 1.7.1.

Severity: 0.0 | NA

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