Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Metrics
Affected Vendors & Products
References
History
Mon, 19 Oct 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-279 |
Mon, 19 Oct 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-346 | |
| Metrics |
cvssV3_1
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Sat, 17 Oct 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-279 |
Sat, 17 Oct 2026 08:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 |
Wed, 14 Oct 2026 01:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox Mozilla thunderbird |
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| Vendors & Products |
Mozilla
Mozilla firefox Mozilla thunderbird |
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 |
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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 |
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Status: PUBLISHED
Assigner: mozilla
Published: 2026-10-13T12:29:30.787Z
Updated: 2026-10-19T12:28:50.573Z
Reserved: 2026-10-13T00:48:22.956Z
Link: CVE-2026-109759
Updated: 2026-10-19T12:28:31.117Z
Status : Deferred
Published: 2026-10-13T13:17:26.740
Modified: 2026-10-19T13:16:54.667
Link: CVE-2026-109759
No data.