Boundary Condition Vulnerability in Firefox Browser

CVE-2026-92059

What is CVE-2026-92059?

This vulnerability is related to incorrect boundary conditions within the Document Object Model (DOM) of the Firefox browser's Editor component. It can potentially lead to unexpected behaviors, affecting the security and stability of web applications. The issue has been addressed in Firefox version 156 and Firefox Extended Support Release (ESR) version 153.3, ensuring users are protected against potential exploitation.

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