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CVE-2026-67693

CVE-2026-67693

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

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage (KU) and Extended Key Usage (EKU)

CVSS 3.7 · Low · EPSS 0.2%

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • gnutls28 Debian:12

    Versions
    • 3.7.9-2
    • 3.7.9-2+deb12u1
    • 3.7.9-2+deb12u2
    • 3.7.9-2+deb12u3
    • 3.7.9-2+deb12u4
    • 3.7.9-2+deb12u5
    • 3.7.9-2+deb12u6
    • 3.7.9-2+deb12u7
    • 3.7.9-2+loong64
    • 3.8.0+git20230413-1
    • 3.8.0+git20230529-1
    • 3.8.0+git20230713-1
    • 3.8.1-1
    • 3.8.1-2
    • 3.8.1-3
    • 3.8.1-4
    • 3.8.10-1
    • 3.8.10-2
    • 3.8.10-3
    • 3.8.11-1
    • 3.8.11-2
    • 3.8.11-3
    • 3.8.12-1
    • 3.8.12-2
    • 3.8.12-3
    • 3.8.12-4
    • 3.8.13-1
    • 3.8.2-1
    • 3.8.3-1
    • 3.8.3-1.1
    • 3.8.3-1.1~exp1
    • 3.8.4-1
    • 3.8.4-2
    • 3.8.5-1
    • 3.8.5-2
    • 3.8.5-3
    • 3.8.5-4
    • 3.8.6-1
    • 3.8.6-2
    • 3.8.7.1-1
    • 3.8.8-1
    • 3.8.8-2
    • 3.8.9-1
    • 3.8.9-2
    • 3.8.9-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Debian:13

    Versions
    • 3.8.10-1
    • 3.8.10-2
    • 3.8.10-3
    • 3.8.11-1
    • 3.8.11-2
    • 3.8.11-3
    • 3.8.12-1
    • 3.8.12-2
    • 3.8.12-3
    • 3.8.12-4
    • 3.8.13-1
    • 3.8.9-3
    • 3.8.9-3+deb13u1
    • 3.8.9-3+deb13u2
    • 3.8.9-3+deb13u3
    • 3.8.9-3+deb13u4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Debian:14

    Versions
    • 3.8.10-1
    • 3.8.10-2
    • 3.8.10-3
    • 3.8.11-1
    • 3.8.11-2
    • 3.8.11-3
    • 3.8.12-1
    • 3.8.12-2
    • 3.8.12-3
    • 3.8.12-4
    • 3.8.13-1
    • 3.8.9-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls26 Ubuntu:Pro:14.04:LTS

    Versions
    • 2.12.23-1ubuntu4
    • 2.12.23-1ubuntu5
    • 2.12.23-12ubuntu1
    • 2.12.23-12ubuntu2
    • 2.12.23-12ubuntu2.1
    • 2.12.23-12ubuntu2.2
    • 2.12.23-12ubuntu2.3
    • 2.12.23-12ubuntu2.4
    • 2.12.23-12ubuntu2.5
    • 2.12.23-12ubuntu2.6
    • 2.12.23-12ubuntu2.7
    • 2.12.23-12ubuntu2.8
    • 2.12.23-12ubuntu2.10+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:Pro:16.04:LTS

    Versions
    • 3.3.15-5ubuntu2
    • 3.3.18-1ubuntu1
    • 3.3.20-1ubuntu1
    • 3.4.9-2ubuntu1
    • 3.4.10-4ubuntu1
    • 3.4.10-4ubuntu1.1
    • 3.4.10-4ubuntu1.2
    • 3.4.10-4ubuntu1.3
    • 3.4.10-4ubuntu1.4
    • 3.4.10-4ubuntu1.5
    • 3.4.10-4ubuntu1.6
    • 3.4.10-4ubuntu1.7
    • 3.4.10-4ubuntu1.8
    • 3.4.10-4ubuntu1.9
    • 3.4.10-4ubuntu1.9+esm1
    • 3.4.10-4ubuntu1.9+esm2
    • 3.4.10-4ubuntu1.9+esm3
    • 3.4.10-4ubuntu1.9+esm4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:Pro:18.04:LTS

    Versions
    • 3.5.8-6ubuntu3
    • 3.5.17-1ubuntu1
    • 3.5.17-1ubuntu3
    • 3.5.18-1ubuntu1
    • 3.5.18-1ubuntu1.1
    • 3.5.18-1ubuntu1.2
    • 3.5.18-1ubuntu1.3
    • 3.5.18-1ubuntu1.4
    • 3.5.18-1ubuntu1.5
    • 3.5.18-1ubuntu1.6
    • 3.5.18-1ubuntu1.6+esm1
    • 3.5.18-1ubuntu1.6+esm2
    • 3.5.18-1ubuntu1.6+esm3
    • 3.5.18-1ubuntu1.6+esm4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:Pro:20.04:LTS

    Versions
    • 3.6.9-5ubuntu1
    • 3.6.9-5ubuntu2
    • 3.6.10-5
    • 3.6.11.1-2
    • 3.6.11.1-2ubuntu2
    • 3.6.13-2ubuntu1
    • 3.6.13-2ubuntu1.1
    • 3.6.13-2ubuntu1.2
    • 3.6.13-2ubuntu1.3
    • 3.6.13-2ubuntu1.6
    • 3.6.13-2ubuntu1.7
    • 3.6.13-2ubuntu1.8
    • 3.6.13-2ubuntu1.9
    • 3.6.13-2ubuntu1.10
    • 3.6.13-2ubuntu1.11
    • 3.6.13-2ubuntu1.12
    • 3.6.13-2ubuntu1.12+esm1
    • 3.6.13-2ubuntu1.12+esm2
    • 3.6.13-2ubuntu1.12+esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:22.04:LTS

    Versions
    • 3.7.1-5ubuntu1
    • 3.7.2-2ubuntu1
    • 3.7.2-4ubuntu1
    • 3.7.2-5ubuntu1
    • 3.7.3-4ubuntu1
    • 3.7.3-4ubuntu1.1
    • 3.7.3-4ubuntu1.2
    • 3.7.3-4ubuntu1.3
    • 3.7.3-4ubuntu1.4
    • 3.7.3-4ubuntu1.5
    • 3.7.3-4ubuntu1.6
    • 3.7.3-4ubuntu1.7
    • 3.7.3-4ubuntu1.8
    • 3.7.3-4ubuntu1.9
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:Pro:FIPS-preview:22.04:LTS

    Versions
    • 3.7.3-4ubuntu1.2+Fips1.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:Pro:FIPS-updates:22.04:LTS

    Versions
    • 3.7.3-4ubuntu1.2+Fips1.1
    • 3.7.3-4ubuntu1.3+Fips1.1
    • 3.7.3-4ubuntu1.4+Fips1
    • 3.7.3-4ubuntu1.5+Fips1
    • 3.7.3-4ubuntu1.6+Fips1
    • 3.7.3-4ubuntu1.7+Fips1
    • 3.7.3-4ubuntu1.7+Fips1.1
    • 3.7.3-4ubuntu1.8+Fips1.1
    • 3.7.3-4ubuntu1.9+Fips1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:24.04:LTS

    Versions
    • 3.8.1-4ubuntu1
    • 3.8.1-4ubuntu6
    • 3.8.1-4ubuntu7
    • 3.8.3-1ubuntu1
    • 3.8.3-1.1ubuntu2
    • 3.8.3-1.1ubuntu3
    • 3.8.3-1.1ubuntu3.1
    • 3.8.3-1.1ubuntu3.2
    • 3.8.3-1.1ubuntu3.3
    • 3.8.3-1.1ubuntu3.4
    • 3.8.3-1.1ubuntu3.5
    • 3.8.3-1.1ubuntu3.6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:Pro:FIPS-updates:24.04:LTS

    Versions
    • 3.8.3-1.1ubuntu3.1+Fips1
    • 3.8.3-1.1ubuntu3.4+Fips1
    • 3.8.3-1.1ubuntu3.4+Fips1.1
    • 3.8.3-1.1ubuntu3.5+Fips1.1
    • 3.8.3-1.1ubuntu3.6+Fips1.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:26.10

    Versions
    • 3.8.12-2ubuntu1
    • 3.8.12-2ubuntu1.1
    • 3.8.13-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gnutls28 Ubuntu:26.04:LTS

    Versions
    • 3.8.9-3ubuntu2
    • 3.8.10-3ubuntu1
    • 3.8.12-2ubuntu1
    • 3.8.12-2ubuntu1.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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