{"action":"Upgrade thunderbird to 1:68.9.0-1 or later.","affected":[{"fixed":"1:68.9.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:68.9.0-1"],"id":"tcs_01M5NEHCTTWSWEXZE7MR6NPX5Q","modified_at":"2026-09-11T11:00:49.968432844Z","published_at":"2020-07-09T15:15:10.677Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-12398","https://security-tracker.debian.org/tracker/CVE-2020-12398"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-12398","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-12398"}],"summary":"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 w"}