CVE-2024-29944

Name: CVE-2024-29944
Creator: NVD / NIST
Published: 2024-03-22T13:15:07.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.4/10EPSS 4.70%

Last modified Jun 17, 2026

CVE-2024-29944 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. An attacker was able to inject an event handler into a privileged object that would allow arbitrary JavaScript execution in the parent process. Note: This vulnerability affects Desktop Firefox only, it does not affect mobile versions of Firefox. EPSS estimates a 4.70% chance of exploitation in the next 30 days.

Description

An attacker was able to inject an event handler into a privileged object that would allow arbitrary JavaScript execution in the parent process. Note: This vulnerability affects Desktop Firefox only, it does not affect mobile versions of Firefox. This vulnerability affects Firefox < 124.0.1 and Firefox ESR < 115.9.1.

Metrics

CVSS 3.1

8.4/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.70%

90.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-830

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 115.9.1
Mozilla	Firefox	<= 124.0.1
Debian	Debian Linux	10.0

References

http://www.openwall.com/lists/oss-security/2024/03/23/1Mailing List
https://bugzilla.mozilla.org/show_bug.cgi?id=1886852Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/03/msg00028.htmlMailing List
https://www.mozilla.org/security/advisories/mfsa2024-15/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-16/Vendor Advisory
http://www.openwall.com/lists/oss-security/2024/03/23/1Mailing List
https://bugzilla.mozilla.org/show_bug.cgi?id=1886852Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/03/msg00028.htmlMailing List
https://www.mozilla.org/security/advisories/mfsa2024-15/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-16/Vendor Advisory

Timeline

Published: Mar 22, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-29944?

How severe is CVE-2024-29944?

CVE-2024-29944 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 4.70% probability of exploitation in the next 30 days.

How do I fix CVE-2024-29944?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-29944?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST