vulnerability
MFSA2025-45 Thunderbird: Security Vulnerabilities fixed in Thunderbird 139 (CVE-2025-5270)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:C/I:N/A:N) | May 27, 2025 | May 28, 2025 | Aug 12, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:N)
Published
May 27, 2025
Added
May 28, 2025
Modified
Aug 12, 2025
Description
In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability affects Firefox < 139 and Thunderbird < 139.
Solution
mozilla-thunderbird-upgrade-139_0
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