Use-After-Free Vulnerability in Firefox's Text and Fonts Layout Component
CVE-2026-74969

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 18 August 2026

What is CVE-2026-74969?

A use-after-free vulnerability exists in the Text and Fonts component of Firefox, which could allow an attacker to potentially execute arbitrary code. This security issue has been addressed in multiple releases, including Firefox 154 and various extended support releases (ESR). Users are encouraged to update their browsers to the latest versions to mitigate risks associated with this vulnerability.