Description
Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Published: 2026-10-13
Score: n/a
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, 13 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5. Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
References

Tue, 13 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

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

Type Values Removed Values Added
Description Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.
Title Site isolation issue in the Networking component
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-10-13T18:17:15.720Z

Reserved: 2026-10-13T00:48:22.956Z

Link: CVE-2026-109759

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-13T13:17:26.740

Modified: 2026-10-13T16:18:13.247

Link: CVE-2026-109759

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T16:15:18Z

Weaknesses