Description
In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name.
Published: 2026-08-24
Score: 4.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6389-1 ntfs-3g security update
Ubuntu USN Ubuntu USN USN-8554-1 NTFS-3G vulnerabilities
History

Sat, 29 Aug 2026 00:00:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in NTFS-3G Allows Local Information Disclosure

Fri, 28 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in NTFS-3G Allows Confidential Data Disclosure
Weaknesses CWE-200
CWE-788

Fri, 28 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}

ssvc

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


Mon, 24 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in NTFS-3G Allows Confidential Data Disclosure
First Time appeared Tuxera
Tuxera ntfs-3g
Weaknesses CWE-200
CWE-788
Vendors & Products Tuxera
Tuxera ntfs-3g

Mon, 24 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Description In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-28T16:20:11.948Z

Reserved: 2026-06-19T00:00:00.000Z

Link: CVE-2026-56136

cve-icon Vulnrichment

Updated: 2026-08-28T16:20:02.995Z

cve-icon NVD

Status : Received

Published: 2026-08-24T21:17:42.380

Modified: 2026-08-28T20:18:30.940

Link: CVE-2026-56136

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T23:45:03Z

Weaknesses