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Miscompilation

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Firefox and Thunderbird JIT Miscompilation Vulnerability (CVE-2026-4698)

A critical JIT miscompilation vulnerability (CVE-2026-4698) in the JavaScript engine affects Firefox and Thunderbird, potentially leading to remote code execution.

firefox thunderbird jit miscompilation rce cve-2026-4698 type-confusion

2r 5t Mar 24, 2026