p PatchFirst

CVE-2026-43862

CVE-2026-43862

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

In mutt before 2.3.2, the imap_auth_gss security level is mishandled.

CVSS 3.7 · Low · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • mutt

    Versions
    • ≥ 0, < 2.3.2: Affected (semver)

    Update to 2.3.2

  • mutt Debian:12

    Versions
    • 2.2.12-0.1
    • 2.2.12-0.1~deb12u1
    • 2.2.13-1
    • 2.2.9-1
    • 2.2.9-1+deb12u1
    • 2.3.2-1
    • 2.4.0-1
    • 2.4.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mutt Debian:13

    Versions
    • 2.2.13-1
    Affected ranges
    • ECOSYSTEM: < 2.2.13-1+deb13u1

    Update to 2.2.13-1+deb13u1

  • mutt Debian:14

    Versions
    • 2.2.13-1
    Affected ranges
    • ECOSYSTEM: < 2.3.2-1

    Update to 2.3.2-1

  • mutt Ubuntu:Pro:16.04:LTS

    Versions
    • 1.5.23-3.1ubuntu1
    • 1.5.23-3.1ubuntu2
    • 1.5.24-1
    • 1.5.24-1build1
    • 1.5.24-1ubuntu0.1
    • 1.5.24-1ubuntu0.2
    • 1.5.24-1ubuntu0.3
    • 1.5.24-1ubuntu0.4
    • 1.5.24-1ubuntu0.5
    • 1.5.24-1ubuntu0.6
    • 1.5.24-1ubuntu0.6+esm2
    • 1.5.24-1ubuntu0.6+esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mutt Ubuntu:Pro:18.04:LTS

    Versions
    • 1.8.3+neomutt20170609-2build1
    • 1.9.1-2
    • 1.9.1-3
    • 1.9.1-4
    • 1.9.1-5
    • 1.9.2-1
    • 1.9.3-1
    • 1.9.4-2
    • 1.9.4-3
    • 1.9.4-3ubuntu0.1
    • 1.9.4-3ubuntu0.2
    • 1.9.4-3ubuntu0.3
    • 1.9.4-3ubuntu0.4
    • 1.9.4-3ubuntu0.5
    • 1.9.4-3ubuntu0.6
    • 1.9.4-3ubuntu0.6+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mutt Ubuntu:20.04:LTS

    Versions
    • 1.10.1-2.1
    • 1.12.2-1
    • 1.12.2-2
    • 1.13.0-1
    • 1.13.2-1
    • 1.13.2-1ubuntu0.1
    • 1.13.2-1ubuntu0.2
    • 1.13.2-1ubuntu0.3
    • 1.13.2-1ubuntu0.4
    • 1.13.2-1ubuntu0.5
    • 1.13.2-1ubuntu0.6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mutt Ubuntu:22.04:LTS

    Versions
    • 2.0.5-4.1build1
    • 2.1.3-1
    • 2.1.4-1
    • 2.1.4-1build1
    • 2.1.4-1ubuntu1.1
    • 2.1.4-1ubuntu1.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mutt Ubuntu:24.04:LTS

    Versions
    • 2.2.9-1
    • 2.2.9-1ubuntu0.23.10.1
    • 2.2.12-0.1
    • 2.2.12-0.1build2
    • 2.2.12-0.1build3
    • 2.2.12-0.1build4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mutt Ubuntu:25.10

    Versions
    • 2.2.13-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mutt Ubuntu:26.10

    Versions
    • 2.2.13-1build2
    • 2.3.2-1
    • 2.4.0-1
    • 2.4.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mutt Ubuntu:26.04:LTS

    Versions
    • 2.2.13-1
    • 2.2.13-1build1
    • 2.2.13-1build2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

Check your server →