Security Advisory

CVE-2026-4690

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-24 12:30:23

Last updated 2026-04-13 13:48:40

Assigner mozilla

State PUBLISHED

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.

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