Security Advisory

CVE-2025-10537

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-09-16 12:26:37

Last updated 2026-04-13 14:28:25

Assigner mozilla

State PUBLISHED

Description

Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

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