CVE-2026-46571

MEDIUM5.5

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

Published Oct 7, 2026

Modified 2 weeks ago

Details

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.

References

WEB

https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7

WEB

https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-52gr-j4pv-9pjh

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-46571

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector