What’s Vulnerable › Vulnerabilities
CVE-2026-56135
- Severity: high (CVSS 7.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-24 · updated 2026-10-14
- Weakness: CWE-122
Description
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.
Affected products
- Tuxera NTFS-3G: before 2026.7.7 — fixed in 2026.7.7
How to fix
Upgrade to a fixed version: Tuxera NTFS-3G 2026.7.7. Check the vendor advisory for mitigations.
References
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