CVE-2026-56136 — MEDIUM (4.7)

Vulnerability Description

In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name.

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-125

References

https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-r66g-c39x-cw95

FAQ

What is CVE-2026-56136?

CVE-2026-56136 is a vulnerability with a CVSS score of 4.7 (MEDIUM). In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a...

How severe is CVE-2026-56136?

CVE-2026-56136 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-56136?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.