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CVE-2025-6431

CVE-2025-6431 · The prompt in Firefox for Android that asks before opening a link in an external application could be bypassed

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

When a link can be opened in an external application, Firefox for Android will, by default, prompt the user before doing so. An attacker could have bypassed this prompt, potentially exposing the user to security vulnerabilities or privacy leaks in external applications. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 140.

CVSS 6.5 · Medium · EPSS 0.3%

Published
Updated

Stack: system

Affected products and versions

  • firefox

    Versions
    • ≥ 140: 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

  • 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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