CVE-2026-102483

NameCVE-2026-102483
DescriptionReachable 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ntpsec (PTS)bookworm, bookworm (security)1.2.2+dfsg1-1+deb12u1vulnerable
trixie1.2.3+dfsg1-8vulnerable
forky, sid1.2.5+dfsg-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ntpsecsource(unstable)(unfixed)

Notes

https://blog.ntpsec.org/2026/10/20/version-1.2.6.html

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