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CVE-2026-46570

8.1 high SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Microsoft's update · Important

  • Release Notes — azl3 ntfs-3g 2022.10.3-5 on Azure Linux 3.0 · build 2022.10.3-5

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-29.

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.1 · tuxeraNVD modified 2026-10-08 19:08

Affected (CPE criteria) 1

  • cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:*

References 2