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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-jv65-qqf7-f692 Patch, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.1 · tuxeraNVD modified 2026-10-08 19:09
Affected (CPE criteria) 1
cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*
References 2
- https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7 Release Notes
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-jv65-qqf7-f692 Patch, Vendor Advisory