Not rated
CVE-2020-12398 If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 68.9 | earliest → < 68.9.0 | 68.9.0 |
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