Red Hat: CVE-2020-12398: CVE-2020-12398 Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage (Multiple Advisories)
4
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
06/18/2020
06/24/2020
06/23/2020
12/15/2023
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(s)
- redhat-upgrade-thunderbird
- redhat-upgrade-thunderbird-debuginfo
- redhat-upgrade-thunderbird-debugsource
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