CVE-2026-2762

CVE-2026-2762: Integer overflow in the JavaScript: Standard Library component

Published February 24, 2026
Last update April 15, 2026
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CVSS base score

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What the vulnerability does

Description

Integer overflow in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Key dates

Disclosure timeline

February 24, 2026 CVE published
April 15, 2026 Record updated