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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade ntfs-3g | Jul 23, 2026 | Jul 23, 2026 |
| Gentoo Linux | — | Upgrade sys-fs/ntfs3g. | Aug 16, 2026 | Aug 16, 2026 |
| Ubuntu | — | Upgrade libntfs-3g89t64Upgrade libntfs-3g89Upgrade ntfs-3g | Jul 20, 2026 | Jul 16, 2026 |
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