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.
Overview
- Severity
- Medium (CVSS 6.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Aug
- Released
- 2026-08-27
- EPSS Score
- 0.10% (percentile: 1.1%)
Affected Products (1)
Other
Revision History
- 2026-08-27: Information published.