Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
History

Mon, 05 Oct 2026 19:15:00 +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

Sun, 20 Sep 2026 01:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

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

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Thu, 17 Sep 2026 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-667

Thu, 17 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-825
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

threat_severity

Moderate


Wed, 16 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Description Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156. Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
References

Wed, 16 Sep 2026 04:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-667

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

Type Values Removed Values Added
Description Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3. Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156.
References

Tue, 15 Sep 2026 14:30:00 +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 Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.
Title Use-after-free in the Graphics component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-09-15T12:34:19.787Z

Updated: 2026-09-20T00:21:15.652Z

Reserved: 2026-09-15T12:34:19.276Z

Link: CVE-2026-92058

cve-icon Vulnrichment

Updated: 2026-09-20T00:21:03.027Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-15T13:17:00.207

Modified: 2026-10-05T18:59:39.547

Link: CVE-2026-92058

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-15T12:34:19Z

Links: CVE-2026-92058 - Bugzilla