Description
Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
Published: 2026-10-27
Score: 8.1 High
EPSS: < 1% Very Low
KEV: No
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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4866-1 firefox-esr security update
Debian DLA Debian DLA DLA-4877-1 thunderbird security update
History

Fri, 06 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 05 Nov 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
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'}


Tue, 27 Oct 2026 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-363

Tue, 27 Oct 2026 18:45:00 +0000

Type Values Removed Values Added
Description Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, and Thunderbird 159. Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
References

Tue, 27 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6. Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, and Thunderbird 159.
References

Tue, 27 Oct 2026 17:30:00 +0000

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

Tue, 27 Oct 2026 16:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-363

Tue, 27 Oct 2026 14:15:00 +0000

Type Values Removed Values Added
Description Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
Title Information disclosure due to race condition in the Networking component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-11-05T16:44:51.205Z

Reserved: 2026-10-27T14:05:56.095Z

Link: CVE-2026-118002

cve-icon Vulnrichment

Updated: 2026-11-05T16:44:47.619Z

cve-icon NVD

Status : Deferred

Published: 2026-10-27T14:16:57.997

Modified: 2026-11-05T17:17:48.780

Link: CVE-2026-118002

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-05T19:45:15Z

Weaknesses