VulnerabilityModified
CVE-2025-9182
Denial-of-service due to out-of-memory in the Graphics: WebRender component.
HIGH 7.5EPSS 0.38%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.38% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1975837Issue Tracking, Permissions 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.