Description
Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Published: 2026-08-18
Score: 7.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 18 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

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

ssvc

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


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

Type Values Removed Values Added
Description Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1. Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
References

Tue, 18 Aug 2026 15:00:00 +0000

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

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

Type Values Removed Values Added
Weaknesses CWE-190

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

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

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-08-18T18:59:17.637Z

Reserved: 2026-08-17T11:58:59.773Z

Link: CVE-2026-74977

cve-icon Vulnrichment

Updated: 2026-08-18T18:59:00.505Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-18T13:17:36.023

Modified: 2026-08-18T19:17:14.970

Link: CVE-2026-74977

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T21:00:04Z

Weaknesses