CVE-2025-9182
HIGHFirefox < 142.0 and 140.2-140.* - Denial of Service in WebRender Graphics Component
Title source: llmDescription
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.
References (5)
Core 5
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1975837
Vendor Advisory
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/
Scores
CVSS v3
7.5
EPSS
0.0014
EPSS Percentile
33.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (8)
mozilla/firefox
< 140.2.0
mozilla/firefox
< 142.0
Mozilla/Firefox
140.2 - 140.*
Mozilla/Firefox
142
mozilla/thunderbird
< 140.2.0
mozilla/thunderbird
< 142.0
Mozilla/Thunderbird
140.2 - 140.*
Mozilla/Thunderbird
142
Published
Aug 19, 2025
Tracked Since
Feb 18, 2026