vulnerability
MFSA2025-05 Thunderbird: Security Vulnerabilities fixed in Thunderbird ESR 128.6 (CVE-2025-0237)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:S/C:P/I:P/A:N) | Jan 7, 2025 | Jan 10, 2025 | Feb 2, 2026 |
Severity
6
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
Published
Jan 7, 2025
Added
Jan 10, 2025
Modified
Feb 2, 2026
Description
The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.
Solution
mozilla-thunderbird-upgrade-128_6
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