Boundary Condition Vulnerability in Firefox WebRTC Component
CVE-2026-6753

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 21 April 2026

What is CVE-2026-6753?

A vulnerability in the WebRTC component of Firefox and Firefox ESR allows for incorrect boundary conditions, potentially leading to unintended behaviors. This issue has been addressed in the latest versions, notably Firefox 150 and Firefox ESR 140.10, ensuring enhanced security for users engaging in real-time communications.