Description
A crafted NTFS image can cause an integer overflow in memmove, leading to a heap-based buffer overflow in the function ntfs_attr_record_resize, in NTFS-3G < 2021.8.22.
Published: 2021-09-07
Score: 6.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2819-1 ntfs-3g security update
Debian DSA Debian DSA DSA-4971-1 ntfs-3g security update
EUVD EUVD EUVD-2021-25616 A crafted NTFS image can cause an integer overflow in memmove, leading to a heap-based buffer overflow in the function ntfs_attr_record_resize, in NTFS-3G < 2021.8.22.
History

Tue, 02 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Debian Debian Linux
Fedoraproject Fedora
Redhat Advanced Virtualization Enterprise Linux
Tuxera Ntfs-3g
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-12-02T21:21:58.926Z

Reserved: 2021-08-17T00:00:00.000Z

Link: CVE-2021-39254

cve-icon Vulnrichment

Updated: 2024-08-04T02:06:40.953Z

cve-icon NVD

Status : Modified

Published: 2021-09-07T15:15:07.973

Modified: 2025-12-02T22:16:06.050

Link: CVE-2021-39254

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-08-30T00:00:00Z

Links: CVE-2021-39254 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses