CVE-2026-56135

High severity, CVSS 7.4. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Published 2026-08-24. Last modified 2026-09-09.