CWE
863
Advisory Published
CVE Published
Updated

CVE-2021-29959

First published: Tue Jun 01 2021(Updated: )

When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Firefox<89
89
Firefox>=78.11.0<89.0

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-29959?

    The severity of CVE-2021-29959 is classified as moderate due to potential privacy risks.

  • How do I fix CVE-2021-29959?

    To fix CVE-2021-29959, users should update Firefox to version 89 or later.

  • What is the impact of CVE-2021-29959?

    The impact of CVE-2021-29959 is that it allows websites to potentially re-enable camera access without user consent after microphone use.

  • Which versions of Firefox are affected by CVE-2021-29959?

    CVE-2021-29959 affects Mozilla Firefox versions up to 89.

  • Who is affected by CVE-2021-29959?

    Users of Firefox versions up to 89 are affected by CVE-2021-29959.

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