USN-5408-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-5408-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5408-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5408-1
Upstream
Related
Published
2022-05-10T17:44:53.450519Z
Modified
2025-07-16T08:55:24.365595Z
Summary
dnsmasq vulnerability
Details

Petr Menšík and Richard Johnson discovered that Dnsmasq incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or expose sensitive information.

References

Affected packages

Ubuntu:Pro:14.04:LTS / dnsmasq

Package

Name
dnsmasq
Purl
pkg:deb/ubuntu/dnsmasq@2.68-1ubuntu0.2+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.68-1ubuntu0.2+esm1

Affected versions

2.*

2.66-4ubuntu1
2.67-1
2.68-1
2.68-1ubuntu0.1
2.68-1ubuntu0.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dnsmasq",
            "binary_version": "2.68-1ubuntu0.2+esm1"
        },
        {
            "binary_name": "dnsmasq-base",
            "binary_version": "2.68-1ubuntu0.2+esm1"
        },
        {
            "binary_name": "dnsmasq-utils",
            "binary_version": "2.68-1ubuntu0.2+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / dnsmasq

Package

Name
dnsmasq
Purl
pkg:deb/ubuntu/dnsmasq@2.75-1ubuntu0.16.04.10+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.75-1ubuntu0.16.04.10+esm1

Affected versions

2.*

2.75-1
2.75-1ubuntu0.16.04.1
2.75-1ubuntu0.16.04.2
2.75-1ubuntu0.16.04.3
2.75-1ubuntu0.16.04.4
2.75-1ubuntu0.16.04.5
2.75-1ubuntu0.16.04.7
2.75-1ubuntu0.16.04.8
2.75-1ubuntu0.16.04.10

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dnsmasq",
            "binary_version": "2.75-1ubuntu0.16.04.10+esm1"
        },
        {
            "binary_name": "dnsmasq-base",
            "binary_version": "2.75-1ubuntu0.16.04.10+esm1"
        },
        {
            "binary_name": "dnsmasq-utils",
            "binary_version": "2.75-1ubuntu0.16.04.10+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:18.04:LTS / dnsmasq

Package

Name
dnsmasq
Purl
pkg:deb/ubuntu/dnsmasq@2.79-1ubuntu0.6?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.79-1ubuntu0.6

Affected versions

2.*

2.78-1
2.78-3
2.79-1
2.79-1ubuntu0.2
2.79-1ubuntu0.3
2.79-1ubuntu0.4
2.79-1ubuntu0.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dnsmasq",
            "binary_version": "2.79-1ubuntu0.6"
        },
        {
            "binary_name": "dnsmasq-base",
            "binary_version": "2.79-1ubuntu0.6"
        },
        {
            "binary_name": "dnsmasq-base-lua",
            "binary_version": "2.79-1ubuntu0.6"
        },
        {
            "binary_name": "dnsmasq-utils",
            "binary_version": "2.79-1ubuntu0.6"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / dnsmasq

Package

Name
dnsmasq
Purl
pkg:deb/ubuntu/dnsmasq@2.80-1.1ubuntu1.5?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.80-1.1ubuntu1.5

Affected versions

2.*

2.80-1ubuntu2
2.80-1ubuntu4
2.80-1.1ubuntu1
2.80-1.1ubuntu1.2
2.80-1.1ubuntu1.3
2.80-1.1ubuntu1.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dnsmasq",
            "binary_version": "2.80-1.1ubuntu1.5"
        },
        {
            "binary_name": "dnsmasq-base",
            "binary_version": "2.80-1.1ubuntu1.5"
        },
        {
            "binary_name": "dnsmasq-base-lua",
            "binary_version": "2.80-1.1ubuntu1.5"
        },
        {
            "binary_name": "dnsmasq-utils",
            "binary_version": "2.80-1.1ubuntu1.5"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS / dnsmasq

Package

Name
dnsmasq
Purl
pkg:deb/ubuntu/dnsmasq@2.86-1.1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.86-1.1ubuntu0.1

Affected versions

2.*

2.85-1ubuntu2
2.86-1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dnsmasq",
            "binary_version": "2.86-1.1ubuntu0.1"
        },
        {
            "binary_name": "dnsmasq-base",
            "binary_version": "2.86-1.1ubuntu0.1"
        },
        {
            "binary_name": "dnsmasq-base-lua",
            "binary_version": "2.86-1.1ubuntu0.1"
        },
        {
            "binary_name": "dnsmasq-utils",
            "binary_version": "2.86-1.1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}