high
7.3
EPSS
0.045%
Advisory Published
CVE Published
Updated

CVE-2024-9403

First published: Tue Oct 01 2024(Updated: )

Last updated 7 October 2024

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

Affected SoftwareAffected VersionHow to fix
debian/firefox
131.0.2-2
Thunderbird<131
131
Firefox<131
131

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-2024-9403?

    CVE-2024-9403 is considered a high severity vulnerability due to the potential for memory corruption leading to arbitrary code execution.

  • How do I fix CVE-2024-9403?

    To fix CVE-2024-9403, upgrade to Mozilla Firefox or Thunderbird version 131 or higher.

  • What types of bugs are associated with CVE-2024-9403?

    CVE-2024-9403 is associated with memory safety bugs that can result in memory corruption.

  • What software is affected by CVE-2024-9403?

    CVE-2024-9403 affects Mozilla Firefox versions prior to 131 and Mozilla Thunderbird versions prior to 131.

  • Can CVE-2024-9403 be exploited?

    Yes, with enough effort, the memory safety vulnerabilities in CVE-2024-9403 could potentially be exploited to execute arbitrary code.

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