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VulnerabilityPublished Updated

CVE-2026-102483: NTPsec ntpd · (Reachable exit

Affects ntpsecSource GCVE Database

0
Authoritative record:CVE-2026-102483· High 7.5

Not known to be exploited · CVSS 7.5 High.

Data as of 27 Oct 2026, 08:27 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10ntpsecpkg:deb/ubuntu/ntpsec?arch=source&distro=stonkingOther threatsAffected
  • =1.2.3+dfsg1-8ubuntu2
  • =1.2.3+dfsg1-8ubuntu3
Fixed in–
Ubuntu 26.04 LTSntpsecpkg:deb/ubuntu/ntpsec?arch=source&distro=resoluteOther threatsAffected
  • =1.2.3+dfsg1-8ubuntu1
  • =1.2.3+dfsg1-8ubuntu2
Fixed in–
Ubuntu 24.04 LTSntpsecpkg:deb/ubuntu/ntpsec?arch=source&distro=nobleOther threatsAffected
  • 1.2.2+dfsg1-2 – 1.2.2+dfsg1-4build2
5 affected builds
Fixed in–
Ubuntu 22.04 LTSntpsecpkg:deb/ubuntu/ntpsec?arch=source&distro=jammyOther threatsAffected
  • 1.2.0+dfsg1-4 – 1.2.1+dfsg1-4
5 affected builds
Fixed in–
Ubuntu 20.04 LTSntpsecpkg:deb/ubuntu/ntpsec?arch=source&distro=focalOther threatsAffected
  • 1.1.3+dfsg1-2 – 1.1.8+dfsg1-4build1
7 affected builds
Fixed in–
Ubuntu 18.04 LTSntpsecpkg:deb/ubuntu/ntpsec?arch=source&distro=bionicOther threatsAffected
  • 1.0.0+dfsg1-1 – 1.1.0+dfsg1-1ubuntu0.2
5 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

A reachable exit vulnerability exists in NTPsec ntpd versions 1.1.4 through 1.2.5, allowing a remote attacker to cause a denial of service by crashing the daemon. This vulnerability impacts availability but does not affect confidentiality or integrity. The CVSS score is 7.5, indicating a high severity level.

References

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