CVE catalog
CVE-2026-56136
NTFS-3G vulnerabilities
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.12% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ntfs-3g | sid | 1:2026.9.28-2 | fixed |
| Debian | ntfs-3g | forky | 1:2026.9.28-2 | fixed |
| Debian | ntfs-3g | trixie | 1:2022.10.3-5+deb13u2 | fixed |
| Debian | ntfs-3g | trixie-security | 1:2022.10.3-5+deb13u3 | fixed |
| Debian | ntfs-3g | bookworm | 1:2022.10.3-1+deb12u3 | vulnerable |
| Debian | ntfs-3g | bookworm-security | 1:2022.10.3-1+deb12u3 | vulnerable |
| Ubuntu | ntfs-3g | noble | Not reported | vulnerable |
| Ubuntu | ntfs-3g | noble | 1:2022.10.3-1.2ubuntu3.2 | fixed |
| Ubuntu | libntfs-3g89t64 | noble | 1:2022.10.3-1.2ubuntu3.2 | fixed |
| Ubuntu | ntfs-3g-dev | noble | 1:2022.10.3-1.2ubuntu3.2 | fixed |
| Cpe | ntfs-3g | Not reported | 2026.7.7 | fixed |
| Ubuntu | ntfs-3g | pro | 1:2014.2.15AR.3-3 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1build1 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1ubuntu0.1 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1ubuntu0.2 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1ubuntu0.3 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1ubuntu0.3+esm1 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1ubuntu0.3+esm2 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1ubuntu0.3+esm3 | vulnerable |
| Ubuntu | ntfs-3g | pro | 1:2015.3.14AR.1-1ubuntu0.3+esm4 | vulnerable |
| Ubuntu | ntfs-3g | 18.04 | 1:2016.2.22AR.2-2 | vulnerable |
| Ubuntu | ntfs-3g | 18.04 | 1:2017.3.23-2 | vulnerable |
| Ubuntu | ntfs-3g | 18.04 | 1:2017.3.23-2ubuntu0.18.04.1 | vulnerable |
| Ubuntu | ntfs-3g | 18.04 | 1:2017.3.23-2ubuntu0.18.04.2 | vulnerable |
| Ubuntu | ntfs-3g | 18.04 | 1:2017.3.23-2ubuntu0.18.04.3 | vulnerable |
| Ubuntu | ntfs-3g | 18.04 | 1:2017.3.23-2ubuntu0.18.04.4 | vulnerable |
| Ubuntu | ntfs-3g | 18.04 | 1:2017.3.23-2ubuntu0.18.04.5 | vulnerable |
| Ubuntu | ntfs-3g | 20.04 | 1:2017.3.23AR.3-3ubuntu1 | vulnerable |
| Ubuntu | ntfs-3g | 20.04 | 1:2017.3.23AR.3-3ubuntu1.1 | vulnerable |
| Ubuntu | ntfs-3g | 20.04 | 1:2017.3.23AR.3-3ubuntu1.2 | vulnerable |
| Ubuntu | ntfs-3g | 20.04 | 1:2017.3.23AR.3-3ubuntu1.3 | vulnerable |
| Ubuntu | ntfs-3g | 22.04 | 1:2017.3.23AR.3-3ubuntu5 | vulnerable |
| Ubuntu | ntfs-3g | 22.04 | 1:2017.3.23AR.3-3ubuntu6 | vulnerable |
| Ubuntu | ntfs-3g | 22.04 | 1:2021.8.22-3ubuntu1 | vulnerable |
| Ubuntu | ntfs-3g | 22.04 | 1:2021.8.22-3ubuntu1.1 | vulnerable |
| Ubuntu | ntfs-3g | 22.04 | 1:2021.8.22-3ubuntu1.2 | vulnerable |
| Ubuntu | ntfs-3g | 22.04 | 1:2021.8.22-3ubuntu1.3 | vulnerable |
| Ubuntu | ntfs-3g | 22.04 | 1:2021.8.22-3ubuntu1.4 | fixed |
| Ubuntu | ntfs-3g | 24.04 | 1:2022.10.3-1ubuntu1 | vulnerable |
| Ubuntu | ntfs-3g | 24.04 | 1:2022.10.3-1.2ubuntu1 | vulnerable |
| Ubuntu | ntfs-3g | 24.04 | 1:2022.10.3-1.2ubuntu2 | vulnerable |
| Ubuntu | ntfs-3g | 24.04 | 1:2022.10.3-1.2ubuntu3 | vulnerable |
| Ubuntu | ntfs-3g | 24.04 | 1:2022.10.3-1.2ubuntu3.1 | vulnerable |
| Ubuntu | ntfs-3g | 24.04 | 1:2022.10.3-1.2ubuntu3.2 | fixed |
| Ubuntu | ntfs-3g | 26.04 | 1:2022.10.3-5 | vulnerable |
| Ubuntu | ntfs-3g | 26.04 | 1:2022.10.3-5build1 | vulnerable |
| Ubuntu | ntfs-3g | 26.04 | 1:2022.10.3-5ubuntu1 | vulnerable |
| Ubuntu | ntfs-3g | 26.04 | 1:2022.10.3-5ubuntu1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ntfs-3g | source | sid | 1:2026.7.7-2 | not yet assigned | Not reported | [1142144] |
| Debian | ntfs-3g | source | forky | 1:2026.7.7-2 | not yet assigned | Not reported | [1142144] |
| Debian | ntfs-3g | source | trixie | 1:2022.10.3-5+deb13u2 | not yet assigned | Not reported | [1142144] |
| Debian | ntfs-3g | source | bookworm | (unfixed) | not yet assigned | Not reported | [1142144] |
| Ubuntu | ntfs-3g | deb | noble | 1:2022.10.3-1.2ubuntu3.2 | Not reported | Not reported | Not reported |
| Ubuntu | libntfs-3g89t64 | deb | noble | 1:2022.10.3-1.2ubuntu3.2 | Not reported | Not reported | Not reported |
| Ubuntu | ntfs-3g-dev | deb | noble | 1:2022.10.3-1.2ubuntu3.2 | Not reported | Not reported | Not reported |
| Cpe | ntfs-3g | cpe | Not reported | 2026.7.7 | Not reported | NVD-CVE-2026-56136 | Not reported |
| Ubuntu | ntfs-3g | deb | 22.04 | 1:2021.8.22-3ubuntu1.4 | Not reported | UBUNTU-CVE-2026-56136 | Not reported |
| Ubuntu | ntfs-3g | deb | 24.04 | 1:2022.10.3-1.2ubuntu3.2 | Not reported | UBUNTU-CVE-2026-56136 | Not reported |
| Ubuntu | ntfs-3g | deb | 26.04 | 1:2022.10.3-5ubuntu1.1 | Not reported | UBUNTU-CVE-2026-56136 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libntfs-3g89]Affected
Source package: [ntfs-3g]
Details (4)
1:2022.10.3-1+deb12u3· amd64 · bookwormAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· arm64 · bookwormAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· amd64 · bookworm-securityAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· arm64 · bookworm-securityAffected
usn · ntfs-3g · debian · bookworm
- [ntfs-3g]Affected
Details (4)
1:2022.10.3-1+deb12u3· amd64 · bookwormAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· arm64 · bookwormAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· amd64 · bookworm-securityAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· arm64 · bookworm-securityAffected
usn · ntfs-3g · debian · bookworm
- [ntfs-3g-dev]Affected
Source package: [ntfs-3g]
Details (4)
1:2022.10.3-1+deb12u3· amd64 · bookwormAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· arm64 · bookwormAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· amd64 · bookworm-securityAffected
usn · ntfs-3g · debian · bookworm
1:2022.10.3-1+deb12u3· arm64 · bookworm-securityAffected
usn · ntfs-3g · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11320-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-56136]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-56136]
- [https://security-tracker.debian.org/tracker/CVE-2026-56136]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-56136.json]
- [https://ubuntu.com/security/notices/USN-8554-1]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]