Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox ESR 153.5.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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
Version Status Constraints
153.5 unaffected ≤ *

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=2075533 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-108/ cve-icon cve-icon
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 ESR 153.5.
Title Mitigation bypass in the File Handling component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-10-13T12:29:36.256Z

Reserved: 2026-10-13T00:49:22.774Z

Link: CVE-2026-109783

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-13T13:17:29.220

Modified: 2026-10-13T16:18:13.247

Link: CVE-2026-109783

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.