Security Advisory

CVE-2025-4092

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-04-29 13:13:49
Last updated 2026-04-13 14:28:52
Assigner mozilla
State PUBLISHED

Description

Memory safety bugs present in Firefox 137 and Thunderbird 137. 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 138 and Thunderbird 138.