Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | affected |
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Project Subscriptions
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Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
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 |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-10-13T12:29:30.787Z
Reserved: 2026-10-13T00:48:22.956Z
Link: CVE-2026-109759
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-13T13:17:26.740
Modified: 2026-10-13T13:17:26.740
Link: CVE-2026-109759
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.