CVE-2026-46570

HIGH8.1

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

Published Oct 7, 2026

Modified 2 weeks ago

Details

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

WEB

https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7

WEB

https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-m6qq-pv5j-2wxc

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-46570

CVSS Analysis

CVSS v3.1

8.1

Exploitability

Attack Vector