UBUNTU-CVE-2020-12663

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Source

https://ubuntu.com/security/CVE-2020-12663

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12663.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-12663

Upstream

CVE-2020-12663

Downstream

USN-4374-1

Related

USN-4374-1

Published

2020-05-19T11:00:00Z

Modified

2025-09-08T16:46:08Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - low

Summary

[none]

Details

Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.

References

Affected packages

Ubuntu:Pro:14.04:LTS / unbound

Package

Name: unbound
Purl: pkg:deb/ubuntu/unbound@1.4.22-1ubuntu4.14.04.3+esm2?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.20-1

1.4.21-1

1.4.21-1ubuntu1

1.4.21-1ubuntu2

1.4.22-1ubuntu1

1.4.22-1ubuntu2

1.4.22-1ubuntu3

1.4.22-1ubuntu4

1.4.22-1ubuntu4.14.04.1

1.4.22-1ubuntu4.14.04.2

1.4.22-1ubuntu4.14.04.3

1.4.22-1ubuntu4.14.04.3+esm1

1.4.22-1ubuntu4.14.04.3+esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / unbound

Package

Name: unbound
Purl: pkg:deb/ubuntu/unbound@1.5.8-1ubuntu1.1+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.22-1ubuntu6

1.5.7-1ubuntu1

1.5.7-1ubuntu2

1.5.8-1ubuntu1

1.5.8-1ubuntu1.1

1.5.8-1ubuntu1.1+esm1

1.5.8-1ubuntu1.1+esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:18.04:LTS / unbound

Package

Name: unbound
Purl: pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.3?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.6.7-1ubuntu2.3

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

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:20.04:LTS / unbound

Package

Name: unbound
Purl: pkg:deb/ubuntu/unbound@1.9.4-2ubuntu1.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.9.4-2ubuntu1.1

Affected versions

1.*

1.9.0-2ubuntu1

1.9.0-2ubuntu2

1.9.4-2

1.9.4-2ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound-host"
        }
    ]
}