USN-6791-1

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Source
https://ubuntu.com/security/notices/USN-6791-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6791-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6791-1
Upstream
Related
Published
2024-05-28T11:34:52.897539Z
Modified
2025-10-13T04:37:04Z
Summary
unbound vulnerability
Details

It was discovered that Unbound could take part in a denial of service amplification attack known as DNSBomb. This update introduces certain resource limits to make the impact from Unbound significantly lower.

References

Affected packages

Ubuntu:20.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.9.4-2ubuntu1.6?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.4-2ubuntu1.6

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
1.9.4-2ubuntu1.4
1.9.4-2ubuntu1.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.9.4-2ubuntu1.6",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.6",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.6",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.6",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.6",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.6",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.6",
            "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": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2024-33655"
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

Ubuntu:22.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.13.1-1ubuntu5.5?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.13.1-1ubuntu5.5

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
1.13.1-1ubuntu5.3
1.13.1-1ubuntu5.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.13.1-1ubuntu5.5",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.5",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.5",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.5",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.5",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.5",
            "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": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2024-33655"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

Ubuntu:24.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.19.2-1ubuntu3.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.19.2-1ubuntu3.1

Affected versions

1.*

1.17.1-2
1.18.0-2ubuntu1
1.18.0-2ubuntu2
1.19.1-1ubuntu1
1.19.2-1ubuntu1
1.19.2-1ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.19.2-1ubuntu3.1",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.1",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.1",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.1",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.1",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.1",
            "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": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2024-33655"
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}