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CVE-2026-46570

CVE-2026-46570 PUBLISHED CVSS 8.1 HIGH

Reported by mitre · Published October 7, 2026

In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_index_walk_down() 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 reading the special crafted file metadata.

Risk Scores

CVSS 3.1
8.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Products

VendorProductVersions
n/an/an/a
alpinentfs-3g0, 0, 0
n/an/an/a

Timeline

  • Jul 15, 2026 CVE Published
  • Sep 16, 2026 CVE Updated
  • Oct 8, 2026 EPSS Score
  • Oct 9, 2026 EPSS Score
  • Oct 16, 2026 EPSS Score

References

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