USN-5569-1

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Source
https://ubuntu.com/security/notices/USN-5569-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5569-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5569-1
Upstream
Related
Published
2022-08-16T11:24:50.482801Z
Modified
2025-09-08T16:37:28Z
Summary
unbound vulnerabilities
Details

Xiang Li discovered that Unbound incorrectly handled delegation caching. A remote attacker could use this issue to keep rogue domain names resolvable long after they have been revoked.

References

Affected packages

Ubuntu:18.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.5?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.7-1ubuntu2.5

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.6.7-1ubuntu2.5",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.5",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.5",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.5",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.5",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.5",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.5",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:20.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.9.4-2ubuntu1.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.4-2ubuntu1.3

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.9.4-2ubuntu1.3",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.3",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.3",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.3",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.3",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.3",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.3",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:22.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.13.1-1ubuntu5.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.13.1-1ubuntu5.1

Affected versions

1.*

1.13.1-1ubuntu1
1.13.1-1ubuntu3
1.13.1-1ubuntu5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.13.1-1ubuntu5.1",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.1",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.1",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.1",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.1",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.1",
            "binary_name": "unbound-host"
        }
    ]
}