Security Advisory

CVE-2026-4691

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-24 12:30:24

Last updated 2026-05-07 14:50:45

Assigner mozilla

State PUBLISHED

Description

Use-after-free in the CSS Parsing and Computation 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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