Severity
4.3MEDIUMNVD
EPSS
0.1%
top 73.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 22

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages6 packages

debiandebian/thunderbird< thunderbird 1:91.9.0-1 (bookworm)
CVEListV5mozilla/thunderbirdunspecified91.9
Debianmozilla/thunderbird< 1:91.9.0-1~deb11u1+3
Ubuntumozilla/thunderbird< 1:91.9.1+build1-0ubuntu0.18.04.1+2

🔴Vulnerability Details

3
GHSA
GHSA-3qrc-jgqf-vg35: 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 incor2022-12-22
OSV
CVE-2022-1520: 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 incor2022-12-22
OSV
thunderbird vulnerabilities2022-05-25

📋Vendor Advisories

4
Ubuntu
Thunderbird vulnerabilities2022-05-25
Red Hat
Mozilla: Incorrect security status shown after viewing an attached email2022-05-03
Debian
CVE-2022-1520: thunderbird - When viewing an email message A, which contains an attached message B, where B i...2022
Mozilla
Mozilla Foundation Security Advisory 2022-18: CVE-2022-1520