CVE-2026-118002
Received Received - Intake

Race Condition Information Disclosure in Firefox

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Mozilla Corporation

Description
Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-118002
EUVD
EUVD-2026-110900

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is an information disclosure issue caused by a race condition in Firefox's Networking component. A race condition occurs when the system's behavior depends on the sequence or timing of uncontrollable events, potentially allowing unauthorized access to sensitive data.

Impact Analysis

If exploited, this vulnerability could allow attackers to access sensitive information that should be protected. Users of affected Firefox versions might have their data exposed, leading to privacy breaches or further attacks.

Compliance Impact

This vulnerability could lead to non-compliance with data protection regulations like GDPR or HIPAA, as it may result in unauthorized disclosure of personal or sensitive health data. Organizations using affected Firefox versions could face legal penalties or reputational damage.

Mitigation Strategies

Update Firefox to version 159 or later and Firefox ESR to version 153.6 or later to address the race condition in the Networking component.

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