Disclosure summary
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.
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Aug
Open original source · Updated Sep 12, 2026
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.
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 6.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 ntfs-3g 2022.10.3-4 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 ntfs-3g 2022.10.3-3 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- Vendor guidance · build 2022.10.3-4 · product IDs 21822-17084
- Vendor guidance · product IDs 21822-17084
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-08-26T21:13:35-04:00
MODIFIED 2026-09-12T21:50:04-04:00
INGESTED 2026-10-08T12:35:14-04:00