High
proftpd-dfsg — security advisory
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).
- Products
- proftpd-dfsg
- Affected versions
- 1.3.5-2, 1.3.5a-1, 1.3.5a-1build1, 1.3.5a-1ubuntu0.1, 1.3.5d-1, 1.3.5e-1build1, 1.3.6-6build2, 1.3.6c-1, 1.3.6c-2, 1.3.6c-2ubuntu0.1, 1.3.7b+dfsg-1, 1.3.7c+dfsg-1build1, 1.3.7c+dfsg-1ubuntu0.1, 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, 1.3.8.c+dfsg-2, 1.3.8.c+dfsg-4, 1.3.9b~dfsg-1, 1.3.9d~dfsg-1, 1.3.9~dfsg-3, 1.3.9~dfsg-4
- Fixed versions
- Not specified
- CVEs
- CVE-2026-42167
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:44 UTC · Revision 1
Source evidence
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).
osv:UBUNTU-CVE-2026-42167
proftpd-dfsg
Fixed versions: Not specified
proftpd-dfsg
Fixed versions: Not specified
proftpd-dfsg
Fixed versions: Not specified
proftpd-dfsg
Fixed versions: Not specified
proftpd-dfsg
Fixed versions: Not specified
proftpd-dfsg
Fixed versions: Not specified
proftpd-dfsg
Fixed versions: Not specified
proftpd-dfsg
Fixed versions: Not specified
Complete source record
{
"id": "9658897dad6058504720b5e58ee737ff0ea41556fcdb969b063a8e762447414c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-42167",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-42167",
"summary": "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).",
"evidence": "osv:UBUNTU-CVE-2026-42167",
"products": [
{
"name": {
"value": "proftpd-dfsg",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.5-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.5a-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.5a-1build1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.5a-1ubuntu0.1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "proftpd-dfsg",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.5d-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.3.5e-1build1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "proftpd-dfsg",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.6-6build2",
"evidence": "/affected/2/versions"
},
{
"value": "1.3.6c-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.3.6c-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.3.6c-2ubuntu0.1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "proftpd-dfsg",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.7b+dfsg-1",
"evidence": "/affected/3/versions"
},
{
"value": "1.3.7c+dfsg-1build1",
"evidence": "/affected/3/versions"
},
{
"value": "1.3.7c+dfsg-1ubuntu0.1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "proftpd-dfsg",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.8+dfsg-8",
"evidence": "/affected/4/versions"
},
{
"value": "1.3.8.a+dfsg-1",
"evidence": "/affected/4/versions"
},
{
"value": "1.3.8.b+dfsg-1",
"evidence": "/affected/4/versions"
},
{
"value": "1.3.8.b+dfsg-1build1",
"evidence": "/affected/4/versions"
},
{
"value": "1.3.8.b+dfsg-1build2",
"evidence": "/affected/4/versions"
},
{
"value": "1.3.8.b+dfsg-1build3",
"evidence": "/affected/4/versions"
},
{
"value": "1.3.8.b+dfsg-1ubuntu0.1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "proftpd-dfsg",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.8.c+dfsg-2",
"evidence": "/affected/5/versions"
},
{
"value": "1.3.8.c+dfsg-4",
"evidence": "/affected/5/versions"
},
{
"value": "1.3.9~dfsg-3",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "proftpd-dfsg",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.9~dfsg-4",
"evidence": "/affected/6/versions"
},
{
"value": "1.3.9b~dfsg-1",
"evidence": "/affected/6/versions"
},
{
"value": "1.3.9d~dfsg-1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "proftpd-dfsg",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.9~dfsg-3",
"evidence": "/affected/7/versions"
},
{
"value": "1.3.9~dfsg-4",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2026-42167",
"aliases": [
"UBUNTU-CVE-2026-42167"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "proftpd-dfsg",
"purl": "pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"1.3.5-2",
"1.3.5a-1",
"1.3.5a-1build1",
"1.3.5a-1ubuntu0.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
},
"ecosystem_specific": {
"binaries": [
{
"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",
"binary_version": "1.3.5a-1ubuntu0.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "proftpd-dfsg",
"purl": "pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.3.5d-1",
"1.3.5e-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
},
"ecosystem_specific": {
"binaries": [
{
"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",
"binary_version": "1.3.5e-1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "proftpd-dfsg",
"purl": "pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.3.6-6build2",
"1.3.6c-1",
"1.3.6c-2",
"1.3.6c-2ubuntu0.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
},
"ecosystem_specific": {
"binaries": [
{
"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",
"binary_version": "1.3.6c-2ubuntu0.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "proftpd-dfsg",
"purl": "pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.3.7b+dfsg-1",
"1.3.7c+dfsg-1build1",
"1.3.7c+dfsg-1ubuntu0.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
},
"ecosystem_specific": {
"binaries": [
{
"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",
"binary_version": "1.3.7c+dfsg-1ubuntu0.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "proftpd-dfsg",
"purl": "pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"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"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
},
"ecosystem_specific": {
"binaries": [
{
"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",
"binary_version": "1.3.8.b+dfsg-1ubuntu0.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "proftpd-dfsg",
"purl": "pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.3.8.c+dfsg-2",
"1.3.8.c+dfsg-4",
"1.3.9~dfsg-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
},
"ecosystem_specific": {
"binaries": [
{
"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",
"binary_version": "1.3.9~dfsg-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "proftpd-dfsg",
"purl": "pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.3.9~dfsg-4",
"1.3.9b~dfsg-1",
"1.3.9d~dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "proftpd-core",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-crypto",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-geoip",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-ldap",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-mysql",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-odbc",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-pgsql",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-snmp",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-sqlite",
"binary_version": "1.3.9d~dfsg-1"
},
{
"binary_name": "proftpd-mod-wrap",
"binary_version": "1.3.9d~dfsg-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "proftpd-dfsg",
"purl": "pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.3.9~dfsg-3",
"1.3.9~dfsg-4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42167.json"
},
"ecosystem_specific": {
"binaries": [
{
"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",
"binary_version": "1.3.9~dfsg-4"
}
]
}
}
],
"modified": "2026-10-17T12:58:54.488448070Z",
"provider": "osv",
"upstream": [
"CVE-2026-42167"
],
"references": [
"https://ubuntu.com/security/CVE-2026-42167",
"https://www.cve.org/CVERecord?id=CVE-2026-42167",
"https://github.com/proftpd/proftpd/issues/2052"
]
},
"related_cves": [
{
"value": "CVE-2026-42167",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 359161,
"published_at": "2026-04-28T23:16:00+00:00"
}