Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Fixes

Solution

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Workaround

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History

Tue, 10 Nov 2026 20:30:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160. Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.
References

Tue, 10 Nov 2026 19:15:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7. Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.
References

Tue, 10 Nov 2026 13:45:00 +0000

Type Values Removed Values Added
Description Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.
Title Mitigation bypass in the File Handling component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-11-10T20:24:46.944Z

Reserved: 2026-11-09T14:48:12.627Z

Link: CVE-2026-124940

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-10T14:17:28.243

Modified: 2026-11-10T21:19:20.697

Link: CVE-2026-124940

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

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