UBUNTU-CVE-2023-26437

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Source
https://ubuntu.com/security/CVE-2023-26437
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-26437.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-26437
Upstream
Published
2023-04-04T15:15:00Z
Modified
2025-09-08T16:56:10Z
Severity
  • 3.4 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L CVSS Calculator
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.

References

Affected packages

Ubuntu:22.04:LTS

pdns-recursor

Package

Name
pdns-recursor
Purl
pkg:deb/ubuntu/pdns-recursor@4.6.0-1ubuntu1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.4.2-3
4.6.0-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.6.0-1ubuntu1",
            "binary_name": "pdns-recursor"
        }
    ]
}

Ubuntu:24.04:LTS

pdns-recursor

Package

Name
pdns-recursor
Purl
pkg:deb/ubuntu/pdns-recursor@4.9.3-1build3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.9.0-2
4.9.1-4
4.9.2-1
4.9.2-1build1
4.9.2-2
4.9.3-1
4.9.3-1build2
4.9.3-1build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.9.3-1build3",
            "binary_name": "pdns-recursor"
        }
    ]
}

Ubuntu:25.04

pdns-recursor

Package

Name
pdns-recursor
Purl
pkg:deb/ubuntu/pdns-recursor@5.2.0-5?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.0.7-2
5.0.9-1
5.1.3-1
5.1.3-2
5.2.0-4
5.2.0-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.2.0-5",
            "binary_name": "pdns-recursor"
        }
    ]
}

Ubuntu:Pro:16.04:LTS

pdns-recursor

Package

Name
pdns-recursor
Purl
pkg:deb/ubuntu/pdns-recursor@4.0.0~alpha2-2ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.7.3-1

4.*

4.0.0~alpha1-1
4.0.0~alpha1-2
4.0.0~alpha2-2
4.0.0~alpha2-2ubuntu0.1
4.0.0~alpha2-2ubuntu0.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.0.0~alpha2-2ubuntu0.1+esm1",
            "binary_name": "pdns-recursor"
        }
    ]
}

Ubuntu:Pro:18.04:LTS

pdns-recursor

Package

Name
pdns-recursor
Purl
pkg:deb/ubuntu/pdns-recursor@4.1.1-2ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.0.6-1
4.0.6-1build1
4.0.7-1
4.1.1-1
4.1.1-1build1
4.1.1-2
4.1.1-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.1.1-2ubuntu0.1~esm1",
            "binary_name": "pdns-recursor"
        }
    ]
}

Ubuntu:Pro:20.04:LTS

pdns-recursor

Package

Name
pdns-recursor
Purl
pkg:deb/ubuntu/pdns-recursor@4.2.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.2.0-6
4.2.1-1
4.2.1-1build1
4.2.1-1build2
4.2.1-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.2.1-1ubuntu0.1~esm1",
            "binary_name": "pdns-recursor"
        }
    ]
}