Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
History

Thu, 18 Jun 2026 16:45:00 +0000


Tue, 16 Jun 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-703
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 16 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12. Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
References

Tue, 16 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 16 Jun 2026 13:15:00 +0000

Type Values Removed Values Added
Description Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.
Title Incorrect boundary conditions in the Graphics: CanvasWebGL component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-06-16T11:52:57.719Z

Updated: 2026-06-16T16:11:30.685Z

Reserved: 2026-06-15T15:08:21.057Z

Link: CVE-2026-12324

cve-icon Vulnrichment

Updated: 2026-06-16T16:10:43.876Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-06-16T13:16:33.153

Modified: 2026-06-16T17:16:37.823

Link: CVE-2026-12324

cve-icon Redhat

Severity : Low

Publid Date: 2026-06-16T11:52:57Z

Links: CVE-2026-12324 - Bugzilla