CVE-2026-46570

HighCVSS 8.1/10Last modified Oct 8, 2026

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7Release Notes
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-m6qq-pv5j-2wxcPatch, Vendor Advisory

Timeline

Published: Oct 7, 2026
Last modified: Oct 8, 2026
NVD status: Analyzed

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