CVE-2026-102483

Reachable Assertion in ntpsec

Published Oct 21, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Reachable exit in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote attacker to terminate the daemon via an NTS request with excess NTS Cookie Placeholder extension fields.

Remediation

Vendor Solution

Upgrade to version 1.2.6

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Ntpsec
Ntpsec ntpsec
Vendors & Products Ntpsec
Ntpsec ntpsec
Type Values Removed Values Added
Description Reachable exit in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote attacker to terminate the daemon via an NTS request with excess NTS Cookie Placeholder extension fields.
Title Reachable Assertion in ntpsec
Weaknesses CWE-617
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Oct 29, 2026, 8:57 PM
Reserved
Sep 29, 2026, 9:30 AM
Status
Awaiting Analysis
Published
Oct 21, 2026, 4:17 PM
Modified
Oct 29, 2026, 9:17 PM