CVE-2024-29943: Integer Overflow

Published Mar 22, 2024
·
Updated

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.

Affected Software

4 affected componentsFixes available
ubuntu/firefox<124.0.1+
124.0.1+
debian/firefox
126.0-1
Mozilla Firefox<124.0.1
124.0.1
Mozilla Firefox<124.0.1

Event History

Mar 22, 2024
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·12:55 PM
Data Sourced
via MITRE·12:55 PM
DescriptionWeakness
Data Sourced
via NVD·01:15 PM
Description
News Published
via BleepingComputer·05:45 PM
News Published
via BleepingComputer·05:47 PM
Mar 25, 2024
News Published
via The Register·03:00 PM
News Published
via The Register·03:04 PM
Mar 29, 2024
Data Sourced
via Launchpad·05:30 AM
Description
Oct 9, 2024
News Published
via BleepingComputer·05:34 PM
May 19, 2025
News Published
via BleepingComputer·02:03 PM
May 23, 2025
Known Exploited
02:05 PM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2024-29943?

CVE-2024-29943 has a high severity rating due to potential exploitation that allows out-of-bounds read or write operations.

2

How do I fix CVE-2024-29943?

To fix CVE-2024-29943, update your Firefox browser to version 124.0.1 or later.

3

Which versions of Firefox are affected by CVE-2024-29943?

CVE-2024-29943 affects all Firefox versions prior to 124.0.1.

4

Can CVE-2024-29943 be exploited remotely?

Yes, CVE-2024-29943 can be exploited remotely if the user visits a malicious website.

5

What types of attacks can CVE-2024-29943 facilitate?

CVE-2024-29943 can facilitate memory corruption attacks, which can lead to arbitrary code execution.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203