PT-2026-66833 · Ntpsec · Ntpsec

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CVE-2026-18321

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Published

2026-07-31

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Updated

2026-08-01

CVSS v3.1

4.7

Medium

VectorAV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions NTPsec (affected versions not specified)
Description A buffer overflow occurs in the Zyfer refclock component of NTPsec. This issue allows a local attacker to cause a crash of the ntpd process by triggering a buffer copy without checking the size of the input, commonly known as a classic buffer overflow.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-18321
OPENSUSE-SU-2026:11417-1

Affected Products

Ntpsec