Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.
https://www.mozilla.org/security/advisories/mfsa2025-90/
https://www.mozilla.org/security/advisories/mfsa2025-87/
https://bugzilla.mozilla.org/show_bug.cgi?id=1988488
Source: Mitre, NVD
Published: 2025-11-11
Updated: 2026-04-13
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00018