CVE-2026-109744: Vulnerability in Mozilla Firefox
Description
Other issue in the DOM: File component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Affected software
Mozilla
Firefox
Mozilla
Thunderbird
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the DOM File component in Mozilla Firefox. It was resolved by Mozilla in Firefox 158 and Firefox ESR 153.5. The specific technical details of the vulnerability are not provided in the available data. There are no known exploits in the wild at this time.
Potential Impact
The vulnerability could potentially impact the security of Firefox users running affected versions prior to 158 and ESR versions prior to 153.5. Since the exact nature of the impact is not detailed, the precise consequences are unclear. However, the issue was significant enough to warrant a security advisory and patch.
Mitigation Recommendations
Users and administrators should update Firefox to version 158 or later, or Firefox ESR to version 153.5 or later, to remediate this vulnerability. Mozilla has officially fixed this issue in these versions. No additional mitigation steps are indicated by the vendor advisories.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-10-13T00:29:49.395Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-106/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-108/","vendor":"Mozilla"}]
Threat ID: 6ace2c4b2cdf04f65661d547
Added to database: 10/13/2026, 13:04:11 UTC
Last enriched: 10/13/2026, 13:48:37 UTC
Last updated: 10/13/2026, 18:57:33 UTC
Views: 4
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