UBUNTU-CVE-2026-42167

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Source
https://ubuntu.com/security/CVE-2026-42167
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-42167
Upstream
  • CVE-2026-42167
Published
2026-04-28T23:16:00Z
Modified
2026-05-20T16:25:43.906758855Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).

References

Affected packages

Ubuntu:16.04:LTS
proftpd-dfsg

Package

Name
proftpd-dfsg
Purl
pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=xenial

Affected ranges

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

Affected versions

1.*
1.3.5-2
1.3.5a-1
1.3.5a-1build1
1.3.5a-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.5a-1ubuntu0.1",
            "binary_name": "proftpd-basic"
        },
        {
            "binary_version": "1.3.5a-1ubuntu0.1",
            "binary_name": "proftpd-mod-geoip"
        },
        {
            "binary_version": "1.3.5a-1ubuntu0.1",
            "binary_name": "proftpd-mod-ldap"
        },
        {
            "binary_version": "1.3.5a-1ubuntu0.1",
            "binary_name": "proftpd-mod-mysql"
        },
        {
            "binary_version": "1.3.5a-1ubuntu0.1",
            "binary_name": "proftpd-mod-odbc"
        },
        {
            "binary_version": "1.3.5a-1ubuntu0.1",
            "binary_name": "proftpd-mod-pgsql"
        },
        {
            "binary_version": "1.3.5a-1ubuntu0.1",
            "binary_name": "proftpd-mod-sqlite"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
Ubuntu:18.04:LTS
proftpd-dfsg

Package

Name
proftpd-dfsg
Purl
pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=bionic

Affected ranges

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

Affected versions

1.*
1.3.5d-1
1.3.5e-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.5e-1build1",
            "binary_name": "proftpd-basic"
        },
        {
            "binary_version": "1.3.5e-1build1",
            "binary_name": "proftpd-mod-geoip"
        },
        {
            "binary_version": "1.3.5e-1build1",
            "binary_name": "proftpd-mod-ldap"
        },
        {
            "binary_version": "1.3.5e-1build1",
            "binary_name": "proftpd-mod-mysql"
        },
        {
            "binary_version": "1.3.5e-1build1",
            "binary_name": "proftpd-mod-odbc"
        },
        {
            "binary_version": "1.3.5e-1build1",
            "binary_name": "proftpd-mod-pgsql"
        },
        {
            "binary_version": "1.3.5e-1build1",
            "binary_name": "proftpd-mod-sqlite"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
Ubuntu:20.04:LTS
proftpd-dfsg

Package

Name
proftpd-dfsg
Purl
pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=focal

Affected ranges

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

Affected versions

1.*
1.3.6-6build2
1.3.6c-1
1.3.6c-2
1.3.6c-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.6c-2ubuntu0.1",
            "binary_name": "proftpd-basic"
        },
        {
            "binary_version": "1.3.6c-2ubuntu0.1",
            "binary_name": "proftpd-mod-geoip"
        },
        {
            "binary_version": "1.3.6c-2ubuntu0.1",
            "binary_name": "proftpd-mod-ldap"
        },
        {
            "binary_version": "1.3.6c-2ubuntu0.1",
            "binary_name": "proftpd-mod-mysql"
        },
        {
            "binary_version": "1.3.6c-2ubuntu0.1",
            "binary_name": "proftpd-mod-odbc"
        },
        {
            "binary_version": "1.3.6c-2ubuntu0.1",
            "binary_name": "proftpd-mod-pgsql"
        },
        {
            "binary_version": "1.3.6c-2ubuntu0.1",
            "binary_name": "proftpd-mod-snmp"
        },
        {
            "binary_version": "1.3.6c-2ubuntu0.1",
            "binary_name": "proftpd-mod-sqlite"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
Ubuntu:22.04:LTS
proftpd-dfsg

Package

Name
proftpd-dfsg
Purl
pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*
1.3.7b+dfsg-1
1.3.7c+dfsg-1build1
1.3.7c+dfsg-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-basic"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-core"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-crypto"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-geoip"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-ldap"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-mysql"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-odbc"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-pgsql"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-snmp"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-sqlite"
        },
        {
            "binary_version": "1.3.7c+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-wrap"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
Ubuntu:24.04:LTS
proftpd-dfsg

Package

Name
proftpd-dfsg
Purl
pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*
1.3.8+dfsg-8
1.3.8.a+dfsg-1
1.3.8.b+dfsg-1
1.3.8.b+dfsg-1build1
1.3.8.b+dfsg-1build2
1.3.8.b+dfsg-1build3
1.3.8.b+dfsg-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-core"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-crypto"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-geoip"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-ldap"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-mysql"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-odbc"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-pgsql"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-snmp"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-sqlite"
        },
        {
            "binary_version": "1.3.8.b+dfsg-1ubuntu0.1",
            "binary_name": "proftpd-mod-wrap"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
Ubuntu:25.10
proftpd-dfsg

Package

Name
proftpd-dfsg
Purl
pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=questing

Affected ranges

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

Affected versions

1.*
1.3.8.c+dfsg-2
1.3.8.c+dfsg-4
1.3.9~dfsg-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-core"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-crypto"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-geoip"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-ldap"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-mysql"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-odbc"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-pgsql"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-snmp"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-sqlite"
        },
        {
            "binary_version": "1.3.9~dfsg-3",
            "binary_name": "proftpd-mod-wrap"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
Ubuntu:26.04:LTS
proftpd-dfsg

Package

Name
proftpd-dfsg
Purl
pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=resolute

Affected ranges

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

Affected versions

1.*
1.3.9~dfsg-3
1.3.9~dfsg-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-core"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-crypto"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-geoip"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-ldap"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-mysql"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-odbc"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-pgsql"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-snmp"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-sqlite"
        },
        {
            "binary_version": "1.3.9~dfsg-4",
            "binary_name": "proftpd-mod-wrap"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"