CVE-2026-56135

In NTFS-3G through 2026.2.25, a heap-based buffer overflow exists in the function build_inherited_id() in libntfs-3g/security.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by creating a file in a crafted directory.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.4 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-c9qg-fh4v-mq8r	Mitigation Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*

History

14 Oct 2026, 15:56

Type	Values Removed	Values Added
References	~~() https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-c9qg-fh4v-mq8r -~~	() https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-c9qg-fh4v-mq8r - Mitigation, Patch, Vendor Advisory
First Time		Tuxera Tuxera ntfs-3g
CPE		cpe:2.3:a:tuxera:ntfs-3g::::::::

12 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En NTFS-3G hasta 2026.2.25, existe un desbordamiento de búfer basado en montículo en la función build_inherited_id() en libntfs-3g/security.c que permite a un atacante corromper la memoria del montículo en el binario ntfs-3g con SUID-root mediante la creación de una imagen NTFS maliciosa. El desbordamiento se activa al crear un archivo en un directorio manipulado.

Information

Published : 2026-08-24 21:17

Updated : 2026-10-14 15:56

NVD link : CVE-2026-56135

Mitre link : CVE-2026-56135

CVE.ORG link : CVE-2026-56135

JSON object : View

Products Affected

tuxera

ntfs-3g

CWE

CWE-122

Heap-based Buffer Overflow

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