What’s Vulnerable › Vulnerabilities

CVE-2026-46571

• Severity: medium (CVSS 5.5 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: 2026-10-07 · updated 2026-10-08
• Weakness: CWE-125

Description

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.

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

• https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7
• https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-52gr-j4pv-9pjh

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