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CVE-2026-16401

CVE-2026-16401 · Privilege escalation in the Data Loss Prevention component

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

Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

CVSS 8.8 · High · EPSS 0.4%

Published
Updated

Stack: system

Affected products and versions

  • firefox

    Versions
    • ≥ 153: Not affected (rpm)

    No fix published

  • thunderbird

    Versions
    • ≥ 153: Not affected (rpm)

    No fix published

  • mozjs52 Ubuntu:18.04:LTS

    Versions
    • 52.3.1-0ubuntu3
    • 52.3.1-7fakesync1
    • 52.8.1-0ubuntu0.18.04.1
    • 52.9.1-0ubuntu0.18.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mozjs38 Ubuntu:18.04:LTS

    Versions
    • 38.8.0~repack1-0ubuntu1
    • 38.8.0~repack1-0ubuntu3
    • 38.8.0~repack1-0ubuntu4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mozjs68 Ubuntu:20.04:LTS

    Versions
    • 68.5.0-1~fakesync
    • 68.5.0-2~fakesync
    • 68.6.0-1
    • 68.6.0-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mozjs52 Ubuntu:20.04:LTS

    Versions
    • 52.9.1-1build1
    • 52.9.1-1ubuntu3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mozjs102 Ubuntu:22.04:LTS

    Versions
    • 102.11.0-0ubuntu0.22.04.1
    • 102.12.0-0ubuntu0.22.04.1
    • 102.13.0-0ubuntu0.22.04.1
    • 102.15.1-0ubuntu0.22.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mozjs78 Ubuntu:22.04:LTS

    Versions
    • 78.13.0-1
    • 78.15.0-2
    • 78.15.0-4ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mozjs91 Ubuntu:22.04:LTS

    Versions
    • 91.5.1-0ubuntu1
    • 91.6.0-1
    • 91.6.0-2
    • 91.7.0-2
    • 91.10.0-0ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • thunderbird Ubuntu:22.04:LTS

    Versions
    • 1:91.1.2+build1-0ubuntu1
    • 1:91.3.0+build2-0ubuntu1
    • 1:91.3.1+build1-0ubuntu1
    • 1:91.3.2+build1-0ubuntu1
    • 1:91.4.0+build1.1-0ubuntu1
    • 1:91.4.0+build2-0ubuntu1
    • 1:91.5.0+build1-0ubuntu1
    • 1:91.5.1+build1-0ubuntu1
    • 1:91.6.1+build1-0ubuntu1
    • 1:91.7.0+build1-0ubuntu1
    • 1:91.7.0+build2-0ubuntu1
    • 1:91.8.0+build2-0ubuntu1
    • 1:91.9.1+build1-0ubuntu0.22.04.1
    • 1:91.11.0+build2-0ubuntu0.22.04.1
    • 1:102.2.2+build1-0ubuntu0.22.04.1
    • 1:102.4.2+build2-0ubuntu0.22.04.1
    • 1:102.7.1+build2-0ubuntu0.22.04.1
    • 1:102.8.0+build2-0ubuntu0.22.04.1
    • 1:102.9.0+build1-0ubuntu0.22.04.1
    • 1:102.10.0+build2-0ubuntu0.22.04.1
    • 1:102.11.0+build1-0ubuntu0.22.04.1
    • 1:102.13.0+build1-0ubuntu0.22.04.1
    • 1:102.15.0+build1-0ubuntu0.22.04.1
    • 1:102.15.1+build1-0ubuntu0.22.04.1
    • 1:115.3.1+build1-0ubuntu0.22.04.2
    • 1:115.4.1+build1-0ubuntu0.22.04.1
    • 1:115.5.0+build1-0ubuntu0.22.04.1
    • 1:115.6.0+build2-0ubuntu0.22.04.1
    • 1:115.8.1+build1-0ubuntu0.22.04.1
    • 1:115.9.0+build1-0ubuntu0.22.04.1
    • 1:115.10.1+build1-0ubuntu0.22.04.1
    • 1:115.11.0+build2-0ubuntu0.22.04.1
    • 1:115.12.0+build3-0ubuntu0.22.04.1
    • 1:115.13.0+build5-0ubuntu0.22.04.1
    • 1:115.15.0+build1-0ubuntu0.22.04.1
    • 1:115.16.0+build2-0ubuntu0.22.04.1
    • 1:115.18.0+build1-0ubuntu0.22.04.1
    • 1:128.12.0+build1-0ubuntu0.22.04.1
    • 1:140.7.1+build1-0ubuntu0.22.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mozjs102 Ubuntu:24.04:LTS

    Versions
    • 102.15.1-1
    • 102.15.1-3ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mozjs115 Ubuntu:24.04:LTS

    Versions
    • 115.3.0-0ubuntu1
    • 115.4.0-2
    • 115.5.0-1
    • 115.6.0-1
    • 115.7.0-4
    • 115.8.0-1
    • 115.9.0-1
    • 115.9.0-1build1
    • 115.10.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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