Feed/CVE-2026-4689
CVE-2026-4689CRITICALCVSS 10.0

CVE-2026-4689

Published Mar 24, 2026·Updated Jul 14, 2026

NVD Description

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

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