CVE-2024-29944: Debian Linux

High severity, CVSS 8.4. EPSS: 4.7% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 10.0 only
• Mozilla Firefox: before 115.9.1 (fixed in 115.9.1); up to and including 124.0.1

Published 2024-03-22. Last modified 2026-06-17.