7.5
Advisory Published
CVE Published
Updated

CVE-2022-22741

First published: Tue Jan 11 2022(Updated: )

When resizing a popup while requesting fullscreen access, the popup would have become unable to leave fullscreen mode.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<91.5
91.5
<96
96
<91.5
91.5
<91.5
91.5
Mozilla Firefox<96.0
Mozilla Firefox ESR<91.5
Mozilla Thunderbird<91.5

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-22741?

    CVE-2022-22741 is a vulnerability in Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5 that allows a malicious user to resize a popup while requesting fullscreen access, causing the popup to become unable to leave fullscreen mode.

  • Which software versions are affected by CVE-2022-22741?

    CVE-2022-22741 affects Firefox ESR versions prior to 91.5, Firefox versions prior to 96, and Thunderbird versions prior to 91.5.

  • What is the severity of CVE-2022-22741?

    CVE-2022-22741 has a severity rating of high with a severity value of 7.

  • How can I fix CVE-2022-22741?

    To fix CVE-2022-22741, update Firefox ESR to version 91.5 or later, update Firefox to version 96 or later, or update Thunderbird to version 91.5 or later.

  • Where can I find more information about CVE-2022-22741?

    You can find more information about CVE-2022-22741 in the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1740389), [Mozilla Security Advisory MFSA2022-03](https://www.mozilla.org/en-US/security/advisories/mfsa2022-03/), [Mozilla Security Advisory MFSA2022-01](https://www.mozilla.org/en-US/security/advisories/mfsa2022-01/).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203