Mitigation bypass in the File Handling 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 | 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 |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-10-13T12:29:31.945Z
Reserved: 2026-10-13T00:48:32.559Z
Link: CVE-2026-109763
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-13T13:17:27.150
Modified: 2026-10-13T13:17:27.150
Link: CVE-2026-109763
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.