CVE-2026-46571: n/a
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.
CVSS v3.1
Score 5.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46571 is an out-of-bounds read vulnerability in the ntfs_fix_file_name() function located in libntfs-3g/reparse.c of NTFS-3G before version 2026.7.7. The vulnerability is triggered when a readlink system call is performed on a corrupted NTFS file crafted by an attacker. This can lead to unauthorized disclosure of potentially confidential information residing in the memory space of the ntfs-3g process.
Potential Impact
An attacker able to supply a malicious NTFS image and trigger a readlink on a corrupted file can exploit this vulnerability to read memory beyond intended boundaries. This may result in disclosure of sensitive information from the ntfs-3g process memory. There is no indication of code execution or privilege escalation from the provided data.
Mitigation Recommendations
A fix is available in NTFS-3G version 2026.7.7. Users should upgrade to version 2026.7.7 or later to remediate this vulnerability. Patch status is confirmed by the affectedVersions field indicating versions prior to 2026.7.7 are vulnerable.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-05-15T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6ac654e62cdf04f656564113
Added to database: 10/07/2026, 14:19:18 UTC
Last enriched: 10/07/2026, 14:33:16 UTC
Last updated: 10/07/2026, 15:04:39 UTC
Views: 3
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