CVE-2019-11739

Mozilla: Covert Content Attack on S/MIME encryption using a crafted multipart/alternative message

Published Sep 27, 2019 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1926-1 thunderbird security update
Debian DSA Debian DSA DSA-4523-1 thunderbird security update
EUVD EUVD EUVD-2019-3409 Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.
Ubuntu USN Ubuntu USN USN-4150-1 Thunderbird vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 4, 2024, 11:03 PM
Reserved
May 3, 2019, 12:00 AM
Status
Modified
Published
Sep 27, 2019, 6:15 PM
Modified
Jun 17, 2026, 2:13 AM
Severity
Important
Public date
Sep 15, 2019, 12:00 AM