vulnerability

MFSA2025-31 Thunderbird: Security Vulnerabilities fixed in Thunderbird 138 (CVE-2025-4092)

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Apr 29, 2025
Added
Apr 30, 2025
Modified
Aug 12, 2025

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 affects Firefox < 138 and Thunderbird < 138.

Solution

mozilla-thunderbird-upgrade-138_0
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.