Description
In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ir_to_ib() in 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
CVSS 3.1 7.1/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7Release Notes
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-jv65-qqf7-f692Patch, Vendor Advisory
Timeline
- Published
- Oct 7, 2026
- Last modified
- Oct 8, 2026
- NVD status
- Analyzed