CVE-2025-14330

CVE-2025-14330: JIT miscompilation in the JavaScript Engine: JIT component

Published December 9, 2025
Last update April 13, 2026
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CVSS base score

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What the vulnerability does

Description

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Key dates

Disclosure timeline

December 9, 2025 CVE published
April 13, 2026 Record updated