Mozilla has released Firefox 150 to patch 41 security vulnerabilities, including multiple high-severity flaws that could lead to remote code execution.
Users should immediately update their browsers to protect against these critical memory corruption and use-after-free bugs.
The most dangerous flaws include use-after-free vulnerabilities in the DOM (CVE-2026-6746) and WebRTC (CVE-2026-6747) components.
These occur when the application incorrectly uses a freed memory pointer, potentially allowing attackers to execute arbitrary malicious code or crash the system.
Security researchers notably utilized Anthropic’s Claude AI to help discover several of these complex memory safety bugs.
This update resolves a wide spectrum of issues ranging from high-severity memory corruption bugs to low-impact denial-of-service vulnerabilities.
The comprehensive breakdown of all Common Vulnerabilities and Exposures (CVEs) addressed in Firefox 150 is detailed below.
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