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Microsoft Security Response CenterCVE-2026-56135

In NTFS-3G through 2026.2.25, a heap-based buffer overflow exists in the function build_inherited_id() in libntfs-3g/security.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 creating a file in a crafted directory.

Mariner

Read the vendor bulletin Get alerts for azl3 ntfs-3g 2022.10.3-3 on Azure Linux
6.5CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 ntfs-3g 2022.10.3-3 on Azure Linux 3.0
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-56135View CVSS, KEV, EPSS, and threat context
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