Vulnerability · Published Dec 22, 2022 · Assigned by mozilla
CVE-2022-1520
Medium 4.3
In plain English
A medium-severity security flaw in Thunderbird from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | thunderbird | 91.9.0-3.el8_5.alma | ALSA-2022:1730 |
| Alpine:v3.20 | thunderbird | 91.9.0-r0 | ALPINE-CVE-2022-1520 |
| Alpine:v3.21 | thunderbird | 91.9.0-r0 | ALPINE-CVE-2022-1520 |
| Alpine:v3.22 | thunderbird | 91.9.0-r0 | ALPINE-CVE-2022-1520 |
| Alpine:v3.23 | thunderbird | 91.9.0-r0 | ALPINE-CVE-2022-1520 |
| Debian:12 | thunderbird | 1:91.9.0-1 | DEBIAN-CVE-2022-1520 |
| Debian:13 | thunderbird | 1:91.9.0-1 | DEBIAN-CVE-2022-1520 |
| Debian:14 | thunderbird | 1:91.9.0-1 | DEBIAN-CVE-2022-1520 |
| Rocky Linux:8 | thunderbird | 0:91.9.0-3.el8_5 | RLSA-2022:1730 |
| Ubuntu:22.04:LTS | thunderbird | 1:91.9.1+build1-0ubuntu0.22.04.1 | USN-5435-1 |
| Ubuntu:22.04:LTS | thunderbird | 1:91.9.1+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2022-1520 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | unspecified – before 91.9 |
Weakness: CWE-346 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N