CVE-2018-11727

** DISPUTED ** The libfsntfs_attribute_read_from_mft function in libfsntfs_attribute.c in...

5.5 MediumFix availableDisputed

The libfsntfs_attribute_read_from_mft function in libfsntfs_attribute.c in libfsntfs through 2018-04-20 allows remote attackers to cause an information disclosure (heap-based buffer over-read) via a crafted ntfs file. NOTE: the vendor has disputed this as described in libyal/libfsntfs issue 8 on GitHub

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

1.12%Up 0.3 points since Apr 14, 2021

What each source reports

CVE List 5.5

Record: CVE-2018-11727
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness: CWE-125, CWE-200
Updated: 2026-11-02

EUVDEUVD-2018-3746 5.5

Record: EUVD-2018-3746
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4hj7-qg65-92fp 5.5

** DISPUTED ** The libfsntfs_attribute_read_from_mft function in libfsntfs_attribute.c in...

** DISPUTED ** The libfsntfs_attribute_read_from_mft function in libfsntfs_attribute.c in libfsntfs through 2018-04-20 allows remote attackers to cause an information disclosure (heap-based buffer over-read) via a crafted ntfs file. NOTE: the vendor has disputed this as described in libyal/libfsntfs issue 8 on GitHub.

Record: GHSA-4hj7-qg65-92fp
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness: CWE-125, CWE-200
Updated: 2026-11-02

NVD 5.5

Record: CVE-2018-11727
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.0: 1.9 LowAV:L/AC:M/Au:N/C:P/I:N/A:N
Weakness: CWE-125, CWE-200
Updated: 2026-11-02

OSV 5.5

Record: CVE-2018-11727
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-11727 5.5

Record: DEBIAN-CVE-2018-11727
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-11727 5.5

Record: UBUNTU-CVE-2018-11727
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

libfsntfs project libfsntfs

Affected packages

Affected packages
Package	Affected	Fixed
`libfsntfs` Debian:12	before 20190104-1	20190104-1
`libfsntfs` Debian:13	before 20190104-1	20190104-1
`libfsntfs` Debian:14	before 20190104-1	20190104-1

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-11727 is a medium vulnerability (CVSS 5.5) in Libfsntfs Project Libfsntfs, published June 19, 2018. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. Fixed in libfsntfs 20190104-1.