CVE-2025-10531
Public on 2025-09-16
Modified on 2025-09-17
Description
Mitigation bypass in the Web Compatibility: Tooling component.
This vulnerability affects Firefox < 143 and Thunderbird < 143.
This vulnerability affects Firefox < 143 and Thunderbird < 143.
Severity
See what this means
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Firefox Extra | firefox | Not Affected | ||
| Amazon Linux 2023 | firefox | Not Affected | ||
| Amazon Linux 2 - Core | thunderbird | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| NVD | CVSSv3 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |