high
8.8
CWE
125
EPSS
0.044%
Advisory Published
CVE Published
Updated

CVE-2024-3854

First published: Tue Apr 16 2024(Updated: )

In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
redhat/firefox<115.10
115.10
redhat/thunderbird<115.10
115.10
Thunderbird<115.10
115.10
Firefox<125
125
Firefox ESR<115.10
115.10
debian/firefox
135.0.1-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.7.0esr-1~deb11u1
128.5.0esr-1~deb12u1
128.7.0esr-1~deb12u1
128.7.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u1
1:128.7.0esr-1~deb11u1
1:128.5.0esr-1~deb12u1
1:128.7.0esr-1~deb12u1
1:128.7.0esr-1

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.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2024-3854?

    CVE-2024-3854 has been classified with a high severity due to its potential for causing out-of-bounds reads.

  • How do I fix CVE-2024-3854?

    To fix CVE-2024-3854, users should update to the latest version of affected software such as Firefox, Thunderbird, or Firefox ESR, depending on their distribution.

  • Which versions are affected by CVE-2024-3854?

    CVE-2024-3854 affects Firefox and Thunderbird versions earlier than 115.10, as well as Firefox ESR versions earlier than 115.10.

  • What products are impacted by CVE-2024-3854?

    CVE-2024-3854 impacts Mozilla's Firefox, Firefox ESR, and Thunderbird across various Linux distributions.

  • Is there a workaround for CVE-2024-3854?

    Currently, the best approach for mitigating CVE-2024-3854 is to upgrade to a patched version of the affected software.

Company

Resources

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