Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
Metrics
Affected Vendors & Products
References
History
Thu, 03 Sep 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 CWE-285 |
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| Metrics |
ssvc
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Thu, 03 Sep 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla thunderbird
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| Weaknesses | CWE-346 | |
| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Mozilla thunderbird
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| Metrics |
cvssV3_1
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Wed, 02 Sep 2026 03:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 CWE-285 |
Tue, 01 Sep 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155 and Firefox ESR 153.2. | Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. |
| References |
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Tue, 01 Sep 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox |
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| Vendors & Products |
Mozilla
Mozilla firefox |
Tue, 01 Sep 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155 and Firefox ESR 153.2. | |
| Title | Site isolation issue in the DOM: Navigation component | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published: 2026-09-01T12:19:07.017Z
Updated: 2026-09-03T17:23:51.826Z
Reserved: 2026-09-01T07:25:56.481Z
Link: CVE-2026-84140
Updated: 2026-09-03T17:00:41.394Z
Status : Modified
Published: 2026-09-01T13:20:08.127
Modified: 2026-09-03T18:17:26.597
Link: CVE-2026-84140
No data.