vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-12398): Thunderbird vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Jun 10, 2020 | Aug 5, 2020 | Aug 18, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Jun 10, 2020
Added
Aug 5, 2020
Modified
Aug 18, 2025
Description
If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.
Solution
ubuntu-upgrade-thunderbird
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