Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4814-1 firefox-esr security update
Debian DSA Debian DSA DSA-6533-1 firefox-esr security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 13 Oct 2026 15:45:00 +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

Fri, 02 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 01 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}


Thu, 01 Oct 2026 04:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-284
CWE-79

Thu, 01 Oct 2026 01:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-107
CWE-272

Wed, 30 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, and Firefox 157. Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
References

Wed, 30 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157. Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, and Firefox 157.
References

Wed, 30 Sep 2026 10:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-107
CWE-272

Wed, 30 Sep 2026 02:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Tue, 29 Sep 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Weaknesses CWE-79
Vendors & Products Mozilla
Mozilla firefox

Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
Title Mitigation bypass in the DOM: Navigation component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-10-01T15:46:25.070Z

Reserved: 2026-09-26T19:19:00.904Z

Link: CVE-2026-100830

cve-icon Vulnrichment

Updated: 2026-10-01T15:44:00.511Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-29T13:17:48.253

Modified: 2026-10-13T15:28:29.130

Link: CVE-2026-100830

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T18:30:11Z