Security Advisory

CVE-2026-4684

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-24 12:30:20

Last updated 2026-04-13 13:46:22

Assigner mozilla

State PUBLISHED

Description

Race condition, use-after-free in the Graphics: WebRender 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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