vulnerability
MFSA2025-18 Thunderbird: Security Vulnerabilities fixed in Thunderbird ESR 128.8 (CVE-2025-26695)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:S/C:P/I:P/A:P) | Mar 4, 2025 | Mar 11, 2025 | Dec 11, 2025 |
Severity
4
CVSS
(AV:L/AC:L/Au:S/C:P/I:P/A:P)
Published
Mar 4, 2025
Added
Mar 11, 2025
Modified
Dec 11, 2025
Description
When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability affects Thunderbird < 136 and Thunderbird < 128.8.
Solution
mozilla-thunderbird-upgrade-128_8
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