USN-5732-1
- Source
- https://ubuntu.com/security/notices/USN-5732-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5732-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-5732-1
- Upstream
- Related
- Published
- 2022-11-17T17:38:45.076474Z
- Modified
- 2025-10-13T04:36:09Z
- Summary
- unbound vulnerability
- Details
-
It was discovered that Unbound incorrectly handled delegations with a large number of non-responsive nameservers. A remote attacker could possibly use this issue to cause Unbound to consume resources, leading to a denial of service.
- References
Affected packages
Ubuntu:18.04:LTS / unbound
Package
- Name
- unbound
- Purl
- pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.6?arch=source&distro=bionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.6.7-1ubuntu2.6
Affected versions
1.*
1.6.5-1
1.6.7-1
1.6.7-1build1
1.6.7-1ubuntu1
1.6.7-1ubuntu2
1.6.7-1ubuntu2.1
1.6.7-1ubuntu2.2
1.6.7-1ubuntu2.3
1.6.7-1ubuntu2.4
1.6.7-1ubuntu2.5
Ecosystem specific
{
"binaries": [
{
"binary_version": "1.6.7-1ubuntu2.6",
"binary_name": "libunbound-dev"
},
{
"binary_version": "1.6.7-1ubuntu2.6",
"binary_name": "libunbound2"
},
{
"binary_version": "1.6.7-1ubuntu2.6",
"binary_name": "python-unbound"
},
{
"binary_version": "1.6.7-1ubuntu2.6",
"binary_name": "python3-unbound"
},
{
"binary_version": "1.6.7-1ubuntu2.6",
"binary_name": "unbound"
},
{
"binary_version": "1.6.7-1ubuntu2.6",
"binary_name": "unbound-anchor"
},
{
"binary_version": "1.6.7-1ubuntu2.6",
"binary_name": "unbound-host"
}
],
"availability": "No subscription required"
}
Database specific
{
"cves_map": {
"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": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2022-3204"
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
}
Ubuntu:20.04:LTS / unbound
Package
- Name
- unbound
- Purl
- pkg:deb/ubuntu/unbound@1.9.4-2ubuntu1.4?arch=source&distro=focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.9.4-2ubuntu1.4
Affected versions
1.*
1.9.0-2ubuntu1
1.9.0-2ubuntu2
1.9.4-2
1.9.4-2ubuntu1
1.9.4-2ubuntu1.1
1.9.4-2ubuntu1.2
1.9.4-2ubuntu1.3
Ecosystem specific
{
"binaries": [
{
"binary_version": "1.9.4-2ubuntu1.4",
"binary_name": "libunbound-dev"
},
{
"binary_version": "1.9.4-2ubuntu1.4",
"binary_name": "libunbound8"
},
{
"binary_version": "1.9.4-2ubuntu1.4",
"binary_name": "python-unbound"
},
{
"binary_version": "1.9.4-2ubuntu1.4",
"binary_name": "python3-unbound"
},
{
"binary_version": "1.9.4-2ubuntu1.4",
"binary_name": "unbound"
},
{
"binary_version": "1.9.4-2ubuntu1.4",
"binary_name": "unbound-anchor"
},
{
"binary_version": "1.9.4-2ubuntu1.4",
"binary_name": "unbound-host"
}
],
"availability": "No subscription required"
}
Database specific
{
"cves_map": {
"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": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2022-3204"
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
}
Ubuntu:22.04:LTS / unbound
Package
- Name
- unbound
- Purl
- pkg:deb/ubuntu/unbound@1.13.1-1ubuntu5.3?arch=source&distro=jammy
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.13.1-1ubuntu5.3
Affected versions
1.*
1.13.1-1ubuntu1
1.13.1-1ubuntu3
1.13.1-1ubuntu5
1.13.1-1ubuntu5.1
1.13.1-1ubuntu5.2
Ecosystem specific
{
"binaries": [
{
"binary_version": "1.13.1-1ubuntu5.3",
"binary_name": "libunbound-dev"
},
{
"binary_version": "1.13.1-1ubuntu5.3",
"binary_name": "libunbound8"
},
{
"binary_version": "1.13.1-1ubuntu5.3",
"binary_name": "python3-unbound"
},
{
"binary_version": "1.13.1-1ubuntu5.3",
"binary_name": "unbound"
},
{
"binary_version": "1.13.1-1ubuntu5.3",
"binary_name": "unbound-anchor"
},
{
"binary_version": "1.13.1-1ubuntu5.3",
"binary_name": "unbound-host"
}
],
"availability": "No subscription required"
}
Database specific
{
"cves_map": {
"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": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2022-3204"
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
}