UBUNTU-CVE-2019-6473

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Source
https://ubuntu.com/security/CVE-2019-6473
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-6473.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-6473
Upstream
Downstream
Related
Published
2019-08-28T00:00:00Z
Modified
2025-09-24T04:48:20Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

References

Affected packages

Ubuntu:Pro:16.04:LTS / isc-kea

Package

Name
isc-kea
Purl
pkg:deb/ubuntu/isc-kea@1.0.0-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.0-1ubuntu0.1~esm1

Affected versions

1.*

1.0.0-1
1.0.0-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "kea-admin",
            "binary_version": "1.0.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-common",
            "binary_version": "1.0.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-dev",
            "binary_version": "1.0.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-dhcp-ddns-server",
            "binary_version": "1.0.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-dhcp4-server",
            "binary_version": "1.0.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-dhcp6-server",
            "binary_version": "1.0.0-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / isc-kea

Package

Name
isc-kea
Purl
pkg:deb/ubuntu/isc-kea@1.1.0-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.0-1ubuntu0.1~esm1

Affected versions

1.*

1.1.0-1
1.1.0-1build1
1.1.0-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "kea-admin",
            "binary_version": "1.1.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-common",
            "binary_version": "1.1.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-dev",
            "binary_version": "1.1.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-dhcp-ddns-server",
            "binary_version": "1.1.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-dhcp4-server",
            "binary_version": "1.1.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "kea-dhcp6-server",
            "binary_version": "1.1.0-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}