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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-6389-1 ntfs-3g security update
Ubuntu USN Ubuntu USN USN-8554-1 NTFS-3G vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 24 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
Title Heap‑based Buffer Overflow in NTFS‑3G's SUID‑root Binary Allows Heap Corruption via Malicious NTFS Image
First Time appeared Tuxera
Tuxera ntfs-3g
Weaknesses CWE-122
Vendors & Products Tuxera
Tuxera ntfs-3g

Mon, 24 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Description 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.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-24T20:19:06.762Z

Reserved: 2026-06-19T00:00:00.000Z

Link: CVE-2026-56135

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-24T21:17:42.240

Modified: 2026-08-24T21:17:42.240

Link: CVE-2026-56135

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-24T21:30:16Z

Weaknesses