DOM Navigation Component Vulnerability in Firefox by Mozilla

CVE-2026-100830

What is CVE-2026-100830?

A mitigation bypass vulnerability has been identified in the DOM Navigation component of Firefox, allowing attackers to exploit certain navigational functionalities. This issue is particularly concerning as it may enable unauthorized access or manipulation of user navigations. The vulnerability affects specific versions of Firefox, prompting swift action to address the issue in newer releases, including Firefox ESR 153.4 and Firefox 157. Users are advised to upgrade to the latest versions to ensure they are protected against potential exploits.

References