CVE-2026-46571
Publication date 15 July 2026
Last updated 8 October 2026
Ubuntu priority
Description
In NTFS-3G through 2026.2.25, 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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ntfs-3g | 26.04 LTS resolute |
Fixed 1:2022.10.3-5ubuntu1.1
|
| 24.04 LTS noble |
Fixed 1:2022.10.3-1.2ubuntu3.2
|
|
| 22.04 LTS jammy |
Fixed 1:2021.8.22-3ubuntu1.4
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
5.5 · Medium
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
Related Ubuntu Security Notices (USN)
- USN-8554-1
- NTFS-3G vulnerabilities
- 16 July 2026