UBUNTU-CVE-2026-42617

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Source
https://ubuntu.com/security/CVE-2026-42617
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42617.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-42617
Upstream
  • CVE-2026-42617
Downstream
Related
Published
2026-07-15T12:00:00Z
Modified
2026-07-16T16:00:16.260643384Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

In NTFS-3G through 2026.2.25, a heap buffer overflow exists in ntfsirto_ib() in index.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by extending a directory, e.g., by creating a file.

References

Affected packages

Ubuntu:18.04:LTS
ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/ubuntu/ntfs-3g?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2016.*
1:2016.2.22AR.2-2
1:2017.*
1:2017.3.23-2
1:2017.3.23-2ubuntu0.18.04.1
1:2017.3.23-2ubuntu0.18.04.2
1:2017.3.23-2ubuntu0.18.04.3
1:2017.3.23-2ubuntu0.18.04.4
1:2017.3.23-2ubuntu0.18.04.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2017.3.23-2ubuntu0.18.04.5",
            "binary_name": "libntfs-3g88"
        },
        {
            "binary_version": "1:2017.3.23-2ubuntu0.18.04.5",
            "binary_name": "ntfs-3g"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42617.json"
Ubuntu:20.04:LTS
ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/ubuntu/ntfs-3g?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2017.*
1:2017.3.23AR.3-3ubuntu1
1:2017.3.23AR.3-3ubuntu1.1
1:2017.3.23AR.3-3ubuntu1.2
1:2017.3.23AR.3-3ubuntu1.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2017.3.23AR.3-3ubuntu1.3",
            "binary_name": "libntfs-3g883"
        },
        {
            "binary_version": "1:2017.3.23AR.3-3ubuntu1.3",
            "binary_name": "ntfs-3g"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42617.json"
Ubuntu:22.04:LTS
ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/ubuntu/ntfs-3g?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2021.8.22-3ubuntu1.4

Affected versions

1:2017.*
1:2017.3.23AR.3-3ubuntu5
1:2017.3.23AR.3-3ubuntu6
1:2021.*
1:2021.8.22-3ubuntu1
1:2021.8.22-3ubuntu1.1
1:2021.8.22-3ubuntu1.2
1:2021.8.22-3ubuntu1.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:2021.8.22-3ubuntu1.4",
            "binary_name": "libntfs-3g89"
        },
        {
            "binary_version": "1:2021.8.22-3ubuntu1.4",
            "binary_name": "ntfs-3g"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42617.json"
Ubuntu:24.04:LTS
ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/ubuntu/ntfs-3g?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2022.10.3-1.2ubuntu3.2

Affected versions

1:2022.*
1:2022.10.3-1ubuntu1
1:2022.10.3-1.2ubuntu1
1:2022.10.3-1.2ubuntu2
1:2022.10.3-1.2ubuntu3
1:2022.10.3-1.2ubuntu3.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:2022.10.3-1.2ubuntu3.2",
            "binary_name": "libntfs-3g89t64"
        },
        {
            "binary_version": "1:2022.10.3-1.2ubuntu3.2",
            "binary_name": "ntfs-3g"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42617.json"
Ubuntu:26.04:LTS
ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/ubuntu/ntfs-3g?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2022.10.3-5ubuntu1.1

Affected versions

1:2022.*
1:2022.10.3-5
1:2022.10.3-5build1
1:2022.10.3-5ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:2022.10.3-5ubuntu1.1",
            "binary_name": "libntfs-3g89t64"
        },
        {
            "binary_version": "1:2022.10.3-5ubuntu1.1",
            "binary_name": "ntfs-3g"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42617.json"
Ubuntu:Pro:14.04:LTS
ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/ubuntu/ntfs-3g?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2013.*
1:2013.1.13AR.1-2ubuntu1
1:2013.1.13AR.1-2ubuntu2
1:2013.1.13AR.1-2ubuntu2+esm1
1:2013.1.13AR.1-2ubuntu2+esm2
1:2013.1.13AR.1-2ubuntu2+esm3
1:2013.1.13AR.1-2ubuntu2+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2013.1.13AR.1-2ubuntu2+esm4",
            "binary_name": "ntfs-3g"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42617.json"
Ubuntu:Pro:16.04:LTS
ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/ubuntu/ntfs-3g?arch=source&distro=esm-infra%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2014.*
1:2014.2.15AR.3-3
1:2015.*
1:2015.3.14AR.1-1
1:2015.3.14AR.1-1build1
1:2015.3.14AR.1-1ubuntu0.1
1:2015.3.14AR.1-1ubuntu0.2
1:2015.3.14AR.1-1ubuntu0.3
1:2015.3.14AR.1-1ubuntu0.3+esm1
1:2015.3.14AR.1-1ubuntu0.3+esm2
1:2015.3.14AR.1-1ubuntu0.3+esm3
1:2015.3.14AR.1-1ubuntu0.3+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2015.3.14AR.1-1ubuntu0.3+esm4",
            "binary_name": "ntfs-3g"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42617.json"