CVE-2022-1520
thunderbird - security update
4.3
MEDIUM
CVSS 3.1
EPSS 0.07%
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.
How to fix CVE-2022-1520
To remediate CVE-2022-1520, upgrade the affected package to a fixed version below.
- —upgrade to 1:91.9.0-1~deb11u1 or later
- —upgrade to 1:91.9.0-1~deb9u1 or later
- —upgrade to 1:91.9.0-1~deb10u1 or later
Is CVE-2022-1520 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1:91.9.0-1~deb11u1
- from 0, < 1:91.9.0-1~deb9u1
- from 0, < 1:91.9.0-1~deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |