CVE-2026-56136

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 3.1

4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-25)

CWE

CWE-125

Published

2026-08-24

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• tuxera:ntfs-3g

References

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

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