Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
History

Tue, 18 Aug 2026 19:00:00 +0000

Type Values Removed Values Added
Description Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1. Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Weaknesses CWE-200
CWE-610
References

Tue, 18 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

ssvc

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


Tue, 18 Aug 2026 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Weaknesses CWE-200
CWE-610
Vendors & Products Mozilla
Mozilla firefox

Tue, 18 Aug 2026 12:45:00 +0000

Type Values Removed Values Added
Description Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
Title Site isolation issue in the Graphics component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-08-18T18:55:39.078Z

Reserved: 2026-08-17T11:58:44.377Z

Link: CVE-2026-74970

cve-icon Vulnrichment

Updated: 2026-08-18T14:53:06.575Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-18T13:17:34.440

Modified: 2026-08-18T19:17:13.507

Link: CVE-2026-74970

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T22:15:04Z