UBUNTU-CVE-2025-30192

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/CVE-2025-30192

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-30192.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-30192

Upstream

CVE-2025-30192

Published

2025-07-21T13:15:00Z

Modified

2026-05-20T16:21:19Z

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 - medium

Summary

[none]

Details

An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries. The updated version include various mitigations against spoofing attempts of ECS enabled queries by chaining ECS enabled requests and enforcing stricter validation of the received answers. The most strict mitigation done when the new setting outgoing.edns_subnet_harden (old style name edns-subnet-harden) is enabled.

References

Affected packages

Ubuntu:24.04:LTS

pdns-recursor

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown 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_name": "pdns-recursor",
            "binary_version": "4.9.3-1build3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-30192.json"

Ubuntu:25.10

pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/ubuntu/pdns-recursor?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.2.0-5

5.2.2-1

5.2.2-2

5.2.4-2

5.2.4-2build2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "pdns-recursor",
            "binary_version": "5.2.4-2build2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-30192.json"

Ubuntu:26.04:LTS

pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/ubuntu/pdns-recursor?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.2.4-2build2

5.3.1-1

5.3.3-1

5.3.4-1

5.3.4-1build1

5.3.4-2

5.3.5-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "pdns-recursor",
            "binary_version": "5.3.5-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-30192.json"

Ubuntu:Pro:16.04:LTS

pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/ubuntu/pdns-recursor?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown 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_name": "pdns-recursor",
            "binary_version": "4.0.0~alpha2-2ubuntu0.1+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-30192.json"

Ubuntu:Pro:18.04:LTS

pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/ubuntu/pdns-recursor?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown 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_name": "pdns-recursor",
            "binary_version": "4.1.1-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-30192.json"

Ubuntu:Pro:20.04:LTS

pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/ubuntu/pdns-recursor?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown 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_name": "pdns-recursor",
            "binary_version": "4.2.1-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-30192.json"

Ubuntu:Pro:22.04:LTS

pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/ubuntu/pdns-recursor?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.4.2-3

4.6.0-1ubuntu1

4.6.0-1ubuntu1+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "pdns-recursor",
            "binary_version": "4.6.0-1ubuntu1+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-30192.json"