CVE-2026-46571: Tuxera Ntfs-3g

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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)

Published 2026-10-07. Last modified 2026-10-08.