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OpenAdvisories
Medium · 5.5 CVE-2026-46571 EUVD-2026-94353

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 pos…

Published Oct 7, 2026 · Updated Oct 7, 2026 · Assigned by mitre

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.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 ntfs-3g 1:2026.7.7-2 —
Debian 13 ntfs-3g 1:2022.10.3-5+deb13u2 —
Debian 12 ntfs-3g 1:2022.10.3-1+deb12u4 —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS ntfs-3g 1:2022.10.3-5ubuntu1.1 USN-8554-1
Ubuntu 24.04 LTS ntfs-3g 1:2022.10.3-1.2ubuntu3.2 USN-8554-1
Ubuntu 22.04 LTS ntfs-3g 1:2021.8.22-3ubuntu1.4 USN-8554-1
Ubuntu 20.04 LTS ntfs-3g No fix yet —
Ubuntu 18.04 LTS ntfs-3g No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 16.04 LTS ntfs-3g No fix yet —
Ubuntu Pro 14.04 LTS ntfs-3g No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 ntfs-3g_ntfsprogs 2022.5.17-150000.3.27.1 SUSE-SU-2026:3214-1
SLES 15 SP6 ntfs-3g_ntfsprogs 2022.5.17-150000.3.27.1 SUSE-SU-2026:3214-1
SLES 12 SP5 ntfs-3g_ntfsprogs 2022.5.17-5.23.1 SUSE-SU-2026:3213-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP6 ntfs-3g_ntfsprogs 2022.5.17-150000.3.27.1 SUSE-SU-2026:3214-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed ntfs-3g_ntfsprogs 2022.10.3-8.1 openSUSE-SU-2026:11320-1
openSUSE Leap 16.0 ntfs-3g_ntfsprogs 2022.10.3-160000.4.1 openSUSE-SU-2026:21484-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 ntfs-3g 2022.10.3-5 —

Advisories 5

References