USN-4888-1
- Source
- https://ubuntu.com/security/notices/USN-4888-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4888-1.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/USN-4888-1
- Upstream
- Related
- Published
- 2021-03-24T18:08:35.244876Z
- Modified
- 2025-10-13T04:35:26Z
- Summary
- ldb vulnerabilities
- Details
-
Douglas Bagnall discovered that ldb, when used with Samba, incorrectly handled certain LDAP attributes. A remote attacker could possibly use this issue to cause the LDAP server to crash, resulting in a denial of service. (CVE-2021-20277)
Douglas Bagnall discovered that ldb, when used with Samba, incorrectly handled certain DN strings. A remote attacker could use this issue to cause the LDAP server to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-27840)
- References
Affected packages
Ubuntu:16.04:LTS / ldb
Package
- Name
- ldb
- Purl
- pkg:deb/ubuntu/ldb@2:1.1.24-1ubuntu3.2?arch=source&distro=xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2:1.1.24-1ubuntu3.2
Affected versions
2:1.*
2:1.1.20-2
2:1.1.21-1
2:1.1.23-1
2:1.1.23-1ubuntu1
2:1.1.24-1ubuntu1
2:1.1.24-1ubuntu3
2:1.1.24-1ubuntu3.1
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "2:1.1.24-1ubuntu3.2",
"binary_name": "ldb-tools"
},
{
"binary_version": "2:1.1.24-1ubuntu3.2",
"binary_name": "libldb-dev"
},
{
"binary_version": "2:1.1.24-1ubuntu3.2",
"binary_name": "libldb1"
},
{
"binary_version": "2:1.1.24-1ubuntu3.2",
"binary_name": "python-ldb"
},
{
"binary_version": "2:1.1.24-1ubuntu3.2",
"binary_name": "python-ldb-dev"
},
{
"binary_version": "2:1.1.24-1ubuntu3.2",
"binary_name": "python3-ldb"
},
{
"binary_version": "2:1.1.24-1ubuntu3.2",
"binary_name": "python3-ldb-dev"
}
]
}
Database specific
{
"cves_map": {
"ecosystem": "Ubuntu:16.04:LTS",
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2020-27840"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2021-20277"
}
]
}
}
Ubuntu:18.04:LTS / ldb
Package
- Name
- ldb
- Purl
- pkg:deb/ubuntu/ldb@2:1.2.3-1ubuntu0.2?arch=source&distro=bionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2:1.2.3-1ubuntu0.2
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "2:1.2.3-1ubuntu0.2",
"binary_name": "ldb-tools"
},
{
"binary_version": "2:1.2.3-1ubuntu0.2",
"binary_name": "libldb-dev"
},
{
"binary_version": "2:1.2.3-1ubuntu0.2",
"binary_name": "libldb1"
},
{
"binary_version": "2:1.2.3-1ubuntu0.2",
"binary_name": "python-ldb"
},
{
"binary_version": "2:1.2.3-1ubuntu0.2",
"binary_name": "python-ldb-dev"
}
]
}
Database specific
{
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2020-27840"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2021-20277"
}
]
}
}
Ubuntu:20.04:LTS / ldb
Package
- Name
- ldb
- Purl
- pkg:deb/ubuntu/ldb@2:2.0.10-0ubuntu0.20.04.3?arch=source&distro=focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2:2.0.10-0ubuntu0.20.04.3
Affected versions
2:1.*
2:1.5.5-0ubuntu2
2:1.5.5-0ubuntu3
2:2.*
2:2.0.7-4
2:2.0.8-1ubuntu1
2:2.0.8-2
2:2.0.10-0ubuntu0.20.04.1
2:2.0.10-0ubuntu0.20.04.2
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "2:2.0.10-0ubuntu0.20.04.3",
"binary_name": "ldb-tools"
},
{
"binary_version": "2:2.0.10-0ubuntu0.20.04.3",
"binary_name": "libldb-dev"
},
{
"binary_version": "2:2.0.10-0ubuntu0.20.04.3",
"binary_name": "libldb2"
},
{
"binary_version": "2:2.0.10-0ubuntu0.20.04.3",
"binary_name": "python3-ldb"
},
{
"binary_version": "2:2.0.10-0ubuntu0.20.04.3",
"binary_name": "python3-ldb-dev"
}
]
}
Database specific
{
"cves_map": {
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2020-27840"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2021-20277"
}
]
}
}