Vulnerability Description
Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 140.2.0 |
| Mozilla | Thunderbird | < 140.2.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1975837Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-64/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-67/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-70/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-72/Vendor Advisory
FAQ
What is CVE-2025-9182?
CVE-2025-9182 is a vulnerability with a CVSS score of 7.5 (HIGH). Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.
How severe is CVE-2025-9182?
CVE-2025-9182 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-9182?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird.