Improper Boundary Conditions in Firefox's Process Sandboxing Component

CVE-2026-92061

What is CVE-2026-92061?

A flaw has been identified in Firefox's Process Sandboxing component due to incorrect boundary conditions. This vulnerability could be exploited to bypass security mechanisms intended to isolate processes, compromising the overall security framework of the browser. The issue has been addressed in Firefox version 156, and users are encouraged to update to protect their systems.

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