Security Advisory

CVE-2025-4093

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-04-29 13:13:50
Last updated 2026-04-13 14:27:25
Assigner mozilla
State PUBLISHED

Description

Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.10 and Thunderbird 128.10.