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CVE-2026-102486

CVE-2026-102486 · Out-of-bounds Read in ntpsec

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Out-of-bounds read in NTS extension field parsing in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote attacker to crash the daemon via an NTS Authenticator and Encrypted Extension Fields (AEEF) field with an oversized nonce length.

CVSS 7.5 · High · EPSS 0.8% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • ntpsec

    Versions
    • ≥ 1.1.4, < 1.2.6: Affected (semver)

    Update to 1.2.6

  • ntpsec Debian:12

    Versions
    • 1.2.2+dfsg1-1
    • 1.2.2+dfsg1-1+deb12u1
    • 1.2.2+dfsg1-2
    • 1.2.2+dfsg1-3
    • 1.2.2+dfsg1-4
    • 1.2.3+dfsg1-1
    • 1.2.3+dfsg1-2
    • 1.2.3+dfsg1-3
    • 1.2.3+dfsg1-4
    • 1.2.3+dfsg1-5
    • 1.2.3+dfsg1-6
    • 1.2.3+dfsg1-7
    • 1.2.3+dfsg1-8
    • 1.2.4+dfsg-1
    • 1.2.5+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ntpsec Debian:13

    Versions
    • 1.2.3+dfsg1-8
    • 1.2.4+dfsg-1
    • 1.2.5+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ntpsec Debian:14

    Versions
    • 1.2.3+dfsg1-8
    • 1.2.4+dfsg-1
    • 1.2.5+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ntpsec Ubuntu:18.04:LTS

    Versions
    • 1.0.0+dfsg1-1
    • 1.0.0+dfsg1-3
    • 1.1.0+dfsg1-1
    • 1.1.0+dfsg1-1ubuntu0.1
    • 1.1.0+dfsg1-1ubuntu0.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ntpsec Ubuntu:20.04:LTS

    Versions
    • 1.1.3+dfsg1-2
    • 1.1.7+dfsg1-1
    • 1.1.7+dfsg1-2
    • 1.1.8+dfsg1-1
    • 1.1.8+dfsg1-3
    • 1.1.8+dfsg1-4
    • 1.1.8+dfsg1-4build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ntpsec Ubuntu:22.04:LTS

    Versions
    • 1.2.0+dfsg1-4
    • 1.2.1+dfsg1-2
    • 1.2.1+dfsg1-3
    • 1.2.1+dfsg1-3ubuntu1
    • 1.2.1+dfsg1-4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ntpsec Ubuntu:24.04:LTS

    Versions
    • 1.2.2+dfsg1-2
    • 1.2.2+dfsg1-3
    • 1.2.2+dfsg1-4
    • 1.2.2+dfsg1-4build1
    • 1.2.2+dfsg1-4build2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ntpsec Ubuntu:26.10

    Versions
    • 1.2.3+dfsg1-8ubuntu2
    • 1.2.3+dfsg1-8ubuntu3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ntpsec Ubuntu:26.04:LTS

    Versions
    • 1.2.3+dfsg1-8ubuntu1
    • 1.2.3+dfsg1-8ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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