In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_copy_tail(), in libntfs-3g/index.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 extending a directory, e.g., by creating a file.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-6389-1 | ntfs-3g security update |
Ubuntu USN |
USN-8554-1 | NTFS-3G vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 07 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Heap Buffer Overflow in NTFS-3G Affects SUID-Root Binary | |
| First Time appeared |
Tuxera
Tuxera ntfs-3g |
|
| Weaknesses | CWE-122 | |
| Vendors & Products |
Tuxera
Tuxera ntfs-3g |
Wed, 07 Oct 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_copy_tail(), in libntfs-3g/index.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 extending a directory, e.g., by creating a file. | |
| References |
|
Projects
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-10-07T14:01:43.066Z
Reserved: 2026-05-15T00:00:00.000Z
Link: CVE-2026-46569
No data.
Status : Awaiting Analysis
Published: 2026-10-07T14:17:10.833
Modified: 2026-10-07T14:47:21.140
Link: CVE-2026-46569
No data.
OpenCVE Enrichment
Updated: 2026-10-07T16:15:18Z
Weaknesses
Debian DSA
Ubuntu USN