CVE-2026-18321

Published: Jul 31, 2026Modified: Aug 28, 2026

4.7

Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.0 / Impact: 3.6

Source: cve@gitlab.com (Secondary)

Description

Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd

Related CWEs

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (1)

https://gitlab.com/NTPsec/ntpsec/-/work_items/890

Source: cve@gitlab.com

Timeline

No history available yet.