CVE-2025-10531
published 2025-09-16CVE-2025-10531: Mitigation bypass in the Web Compatibility: Tooling component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
medium5.4CVSS 3.1
AVNACLPRNUIRSUCLILAN
Mitigation bypass in the Web Compatibility: Tooling component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 143.0-1 (sid) | firefox 143.0-1 (sid) |
| mozilla | firefox | < 143.0 | 143.0 |
| mozilla | firefox | — | — |
| mozilla | thunderbird | < 143.0 | 143.0 |
CVSS provenance
nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
osv5.4MEDIUM