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Tracking
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Tue, 01 Sep 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Sandbox escape due to use-after-free in the DOM: Security component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2. | Sandbox escape due to use-after-free in the DOM: Security component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2. |
| References |
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Tue, 01 Sep 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-416 | |
| Metrics |
cvssV3_1
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Tue, 01 Sep 2026 13:45:00 +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 | Sandbox escape due to use-after-free in the DOM: Security component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2. | |
| Title | Sandbox escape due to use-after-free in the DOM: Security component | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-09-02T03:55:38.279Z
Reserved: 2026-09-01T07:25:11.012Z
Link: CVE-2026-84121
Updated: 2026-09-01T14:33:28.340Z
Status : Awaiting Analysis
Published: 2026-09-01T13:20:05.933
Modified: 2026-09-02T04:18:04.223
Link: CVE-2026-84121
No data.
OpenCVE Enrichment
Updated: 2026-09-02T04:00:09Z