DOM Mitigation Bypass in Mozilla Firefox Security Component

CVE-2026-16394

What is CVE-2026-16394?

A mitigation bypass vulnerability has been identified in the DOM security component of Mozilla Firefox. This issue affects the way user-generated content interacts with the security measures implemented in the browser. The vulnerability allows for potential bypass of existing security mechanisms, potentially exposing users to various risks. It was effectively addressed in Firefox version 153. Users are advised to update to this version to mitigate any potential threats associated with this vulnerability.

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