Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.
History

Tue, 20 Oct 2026 20:00:00 +0000

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

Tue, 20 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Description Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1. Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.
References

Tue, 20 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20

Tue, 20 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20

Tue, 20 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

ssvc

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


Tue, 20 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1.
Title Denial-of-service in the PDF Viewer component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2026-10-20T12:58:16.245Z

Updated: 2026-10-20T19:14:54.271Z

Reserved: 2026-10-20T06:00:59.236Z

Link: CVE-2026-113401

cve-icon Vulnrichment

Updated: 2026-10-20T14:25:11.596Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T13:16:41.173

Modified: 2026-10-20T20:17:17.223

Link: CVE-2026-113401

cve-icon Redhat

No data.