CVE-2026-109744
Deferred Deferred - Pending Action

DOM File Component Use-After-Free in Firefox

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Mozilla Corporation

Description
Other issue in the DOM: File component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-109744
EUVD
EUVD-2026-98506

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 158 (inc)
mozilla firefox_esr to 153.5 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a DOM-related issue in the File component of Firefox and Firefox ESR. It was patched in Firefox version 158 and Firefox ESR version 153.5. The exact technical details are not provided in the given context.

Impact Analysis

The vulnerability could potentially allow attackers to manipulate file-related operations in the browser, leading to unauthorized access or data leakage. Users of affected Firefox versions may be at risk until they update to the fixed versions.

Mitigation Strategies

Update Firefox to version 158 or later and Firefox ESR to version 153.5 or later to address the DOM File component vulnerability.

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