MinorCritical vulnerability
CVE-2026-46569 (CVSS 7.7)
NVD · officialPublished Oct 7, 2026Risk 23/100EPSS 0.2%
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.
Technical details
CVSS
7.7
AV:LocalAC:LowPR:NoneUI:NoneC:NoneI:HighA:High
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
Open primary source