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CVE-2026-46571

5.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

In NTFS-3G before 2026.7.7, a out-of-bounds read exists in ntfs_fix_file_name() in libntfs-3g/reparse.c that allows an attacker to read possibly confidential information in ntfs-3g process memory by crafting a malicious NTFS image. The out-of-bounds read is triggered by a readlink on a corrupted file.

Fix

Microsoft's update · Moderate

  • 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 2026-10-30.

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 5.5 · tuxeraNVD modified 2026-10-08 19:08

Affected (CPE criteria) 1

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

References 2