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.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
4.3
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