Denial-of-Service Vulnerability in Firefox Widget Component
CVE-2026-74982

Currently unrated

Key Information:

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

What is CVE-2026-74982?

A denial-of-service vulnerability was identified in the widget component of Firefox, which could lead to service interruptions for users. This issue has been addressed in Firefox version 154 and Firefox ESR version 153.1, enhancing the stability and performance of the browser during widget operations.