In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_index_walk_down() in libntfs-3g/index.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 reading the special crafted file metadata.
History

Thu, 08 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*

Thu, 08 Oct 2026 07:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 07 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Title Heap Buffer Overflow in NTFS-3G SUID-Root Binary Allows Root Privilege Escalation

Wed, 07 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'}


Wed, 07 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Title Heap Buffer Overflow in NTFS-3G SUID-Root Binary Allows Root Privilege Escalation
First Time appeared Tuxera
Tuxera ntfs-3g
Weaknesses CWE-122
Vendors & Products Tuxera
Tuxera ntfs-3g

Wed, 07 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Description In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_index_walk_down() in libntfs-3g/index.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 reading the special crafted file metadata.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-07T00:00:00.000Z

Updated: 2026-10-07T16:27:03.963Z

Reserved: 2026-05-15T00:00:00.000Z

Link: CVE-2026-46570

cve-icon Vulnrichment

Updated: 2026-10-07T16:25:23.251Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-07T15:17:21.010

Modified: 2026-10-08T19:08:16.037

Link: CVE-2026-46570

cve-icon Redhat

No data.