CVE-2026-102483

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductNtpsec
PublishedOct 21, 2026
First seenOct 21, 2026
Weakness typeCWE-617CWE-617

How to fix

Update
  • NTPsec ntpsec1.2.6 or later

Affected products

ProductAffected versionsFixed in
NTPsec ntpsec1.1.4 ≤ v < 1.2.61.2.6

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