In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_cut_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 creating a file in a specially crafted directory.
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 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-122 | |
| Metrics |
cvssV3_1
|
Wed, 07 Oct 2026 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Heap Buffer Overflow in NTFS-3G SUID Binary Enables Root Privilege Escalation | |
| Weaknesses | CWE-119 |
Wed, 07 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Tuxera
Tuxera ntfs-3g |
|
| Vendors & Products |
Tuxera
Tuxera ntfs-3g |
Wed, 07 Oct 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_cut_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 creating a file in a specially crafted directory. | |
| References |
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-10-07T18:44:30.920Z
Reserved: 2026-05-15T00:00:00.000Z
Link: CVE-2026-46572
No data.
Status : Undergoing Analysis
Published: 2026-10-07T14:17:11.470
Modified: 2026-10-07T19:17:37.393
Link: CVE-2026-46572
No data.
OpenCVE Enrichment
Updated: 2026-10-07T18:00:19Z
Debian DSA
Ubuntu USN