CVE-2022-1520

Mozilla: Incorrect security status shown after viewing an attached email

Published Dec 22, 2022 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3020-1 thunderbird security update
Debian DSA Debian DSA DSA-5141-1 thunderbird security update
EUVD EUVD EUVD-2022-24818 When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.
Ubuntu USN Ubuntu USN USN-5435-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Weaknesses CWE-346
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 16, 2025, 3:20 PM
Reserved
Apr 28, 2022, 12:00 AM
Status
Modified
Published
Dec 22, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:22 AM
Severity
Low
Public date
May 3, 2022, 12:00 AM