CVE-2024-29944 Code injection in Firefox

What is CVE-2024-29944?

CVE-2024-29944 is a high-severity code injection vulnerability in Debian Debian Linux, published on 22 Mar 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-830

Which versions are affected by CVE-2024-29944?

It affects 2 products.

Products include Debian Debian Linux, Mozilla Firefox.

How do I fix CVE-2024-29944?

Upgrade to a fixed version.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2024-29944 being exploited?

There is no known exploitation of CVE-2024-29944 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2024-29944, DSA-5645-1, GHSA-cm37-53wc-mx6g, OESA-2024-2063, SUSE-SU-2024:1000-1, UBUNTU-CVE-2024-29944.