Security Advisory

CVE-2025-4919

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-05-17 21:07:27

Last updated 2026-04-13 14:25:56

Assigner mozilla

State PUBLISHED

Description

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.

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