CVE-2025-13021

Incorrect boundary conditions in the Graphics: WebGPU component

State: Published
Severity: 9.8 Critical
Published: Nov 11, 2025
Updated: Apr 13, 2026
Reserved: Nov 11, 2025

Description

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-703 Improper Check or Handling of Exceptional Conditions

Affected Products

Product	Versions
FirefoxMozilla	145 and laterNot affected
ThunderbirdMozilla	145 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1986431
https://www.mozilla.org/security/advisories/mfsa2025-87/
https://www.mozilla.org/security/advisories/mfsa2025-90/

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