CVE-2026-6779

CVE-2026-6779: Other issue in the JavaScript Engine component

Published April 21, 2026
Last update May 26, 2026
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CVSS base score

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What the vulnerability does

Description

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Key dates

Disclosure timeline

April 21, 2026 CVE published
May 26, 2026 Record updated