vulnerability
MFSA2025-23 Thunderbird: Security Vulnerabilities fixed in Thunderbird 137 (CVE-2025-3032)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:N) | Apr 1, 2025 | Apr 2, 2025 | Apr 15, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:N)
Published
Apr 1, 2025
Added
Apr 2, 2025
Modified
Apr 15, 2026
Description
Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed in Firefox 137 and Thunderbird 137.
Solution
mozilla-thunderbird-upgrade-137_0
Rapid7 Labs
2026 Global Threat Landscape Report
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