DEBIAN-CVE-2020-12398

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Source
https://security-tracker.debian.org/tracker/CVE-2020-12398
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12398.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2020-12398
Upstream
Published
2020-07-09T15:15:10Z
Modified
2025-09-25T22:40:25Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / thunderbird

Package

Name
thunderbird
Purl
pkg:deb/debian/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:68.9.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / thunderbird

Package

Name
thunderbird
Purl
pkg:deb/debian/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:68.9.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / thunderbird

Package

Name
thunderbird
Purl
pkg:deb/debian/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:68.9.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / thunderbird

Package

Name
thunderbird
Purl
pkg:deb/debian/thunderbird?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:68.9.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}