Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
History

Mon, 05 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla thunderbird

Tue, 22 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 21 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}


Fri, 18 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-653
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important


Thu, 17 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Wed, 16 Sep 2026 05:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Tue, 15 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Description Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156. Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
References

Tue, 15 Sep 2026 14:15:00 +0000

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

Tue, 15 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
Description Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156.
Title Site isolation issue in the Graphics component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-09-15T12:33:54.959Z

Updated: 2026-09-21T17:05:07.797Z

Reserved: 2026-09-15T12:33:54.453Z

Link: CVE-2026-92034

cve-icon Vulnrichment

Updated: 2026-09-21T17:03:52.866Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-15T13:16:54.737

Modified: 2026-10-05T18:00:25.463

Link: CVE-2026-92034

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-15T12:33:54Z

Links: CVE-2026-92034 - Bugzilla