Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Metrics
Affected Vendors & Products
References
History
Fri, 30 Oct 2026 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-264 |
Fri, 30 Oct 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-20 | |
| Metrics |
cvssV3_1
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Sat, 17 Oct 2026 09:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-264 |
Sat, 17 Oct 2026 07:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-285 |
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 | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5. | Mitigation bypass in the File Handling 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-285 |
Tue, 13 Oct 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5. | |
| Title | Mitigation bypass in the File Handling component | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published: 2026-10-13T12:29:31.945Z
Updated: 2026-10-30T20:01:00.473Z
Reserved: 2026-10-13T00:48:32.559Z
Link: CVE-2026-109763
No data.
Status : Deferred
Published: 2026-10-13T13:17:27.150
Modified: 2026-10-30T20:16:58.823
Link: CVE-2026-109763
No data.