UBUNTU-CVE-2025-11411

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Source
https://ubuntu.com/security/CVE-2025-11411
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-11411.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-11411
Upstream
  • CVE-2025-11411
Downstream
Related
Published
2025-10-22T13:15:00Z
Modified
2025-12-03T11:21:31.530689Z
Severity
  • 5.7 (Medium) CVSS_V4 - CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:H/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

NLnet Labs Unbound up to and including version 1.24.0 is vulnerable to possible domain hijack attacks. Promiscuous NS RRSets that complement positive DNS replies in the authority section can be used to trick resolvers to update their delegation information for the zone. Usually these RRSets are used to update the resolver's knowledge of the zone's name servers. A malicious actor can exploit the possible poisonous effect by injecting NS RRSets (and possibly their respective address records) in a reply. This could be done for example by trying to spoof a packet or fragmentation attacks. Unbound would then proceed to update the NS RRSet data it already has since the new data has enough trust for it, i.e., in-zone data for the delegation point. Unbound 1.24.1 includes a fix that scrubs unsolicited NS RRSets (and their respective address records) from replies mitigating the possible poison effect.

References

Affected packages

Ubuntu:20.04:LTS

unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.9.4-2ubuntu1.11?arch=source&distro=focal

Affected ranges

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

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
1.9.4-2ubuntu1.6
1.9.4-2ubuntu1.8
1.9.4-2ubuntu1.9
1.9.4-2ubuntu1.11

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.9.4-2ubuntu1.11",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.11",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.11",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.11",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.11",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.11",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.11",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:22.04:LTS

unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.13.1-1ubuntu5.14?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.13.1-1ubuntu5.14

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
1.13.1-1ubuntu5.5
1.13.1-1ubuntu5.7
1.13.1-1ubuntu5.8
1.13.1-1ubuntu5.10
1.13.1-1ubuntu5.11
1.13.1-1ubuntu5.12
1.13.1-1ubuntu5.13

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.13.1-1ubuntu5.14",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.14",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.14",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.14",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.14",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.14",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:24.04:LTS

unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.19.2-1ubuntu3.7?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.19.2-1ubuntu3.7

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
1.19.2-1ubuntu3.1
1.19.2-1ubuntu3.2
1.19.2-1ubuntu3.3
1.19.2-1ubuntu3.4
1.19.2-1ubuntu3.5
1.19.2-1ubuntu3.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.19.2-1ubuntu3.7",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.7",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.7",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.7",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.7",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.19.2-1ubuntu3.7",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:25.04

unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.22.0-1ubuntu1.3?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.22.0-1ubuntu1.3

Affected versions

1.*

1.20.0-1ubuntu2
1.20.0-1ubuntu2.1
1.20.0-1ubuntu2.2
1.22.0-1ubuntu1
1.22.0-1ubuntu1.1
1.22.0-1ubuntu1.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.22.0-1ubuntu1.3",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.22.0-1ubuntu1.3",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.22.0-1ubuntu1.3",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.22.0-1ubuntu1.3",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.22.0-1ubuntu1.3",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.22.0-1ubuntu1.3",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:25.10

unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.22.0-2ubuntu2.2?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.22.0-2ubuntu2.2

Affected versions

1.*

1.22.0-1ubuntu1
1.22.0-2ubuntu1
1.22.0-2ubuntu2
1.22.0-2ubuntu2.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.22.0-2ubuntu2.2",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.22.0-2ubuntu2.2",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.22.0-2ubuntu2.2",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.22.0-2ubuntu2.2",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.22.0-2ubuntu2.2",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.22.0-2ubuntu2.2",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:Pro:14.04:LTS

unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.4.22-1ubuntu4.14.04.3+esm2?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

1.*

1.4.20-1
1.4.21-1
1.4.21-1ubuntu1
1.4.21-1ubuntu2
1.4.22-1ubuntu1
1.4.22-1ubuntu2
1.4.22-1ubuntu3
1.4.22-1ubuntu4
1.4.22-1ubuntu4.14.04.1
1.4.22-1ubuntu4.14.04.2
1.4.22-1ubuntu4.14.04.3
1.4.22-1ubuntu4.14.04.3+esm1
1.4.22-1ubuntu4.14.04.3+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:Pro:16.04:LTS

unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.5.8-1ubuntu1.1+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

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

Affected versions

1.*

1.4.22-1ubuntu6
1.5.7-1ubuntu1
1.5.7-1ubuntu2
1.5.8-1ubuntu1
1.5.8-1ubuntu1.1
1.5.8-1ubuntu1.1+esm1
1.5.8-1ubuntu1.1+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1+esm2",
            "binary_name": "unbound-host"
        }
    ]
}

Ubuntu:Pro:18.04:LTS

unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.6+esm3?arch=source&distro=esm-infra/bionic

Affected ranges

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

Affected versions

1.*

1.6.5-1
1.6.7-1
1.6.7-1build1
1.6.7-1ubuntu1
1.6.7-1ubuntu2
1.6.7-1ubuntu2.1
1.6.7-1ubuntu2.2
1.6.7-1ubuntu2.3
1.6.7-1ubuntu2.4
1.6.7-1ubuntu2.5
1.6.7-1ubuntu2.6
1.6.7-1ubuntu2.6+esm2
1.6.7-1ubuntu2.6+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.6.7-1ubuntu2.6+esm3",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6+esm3",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6+esm3",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6+esm3",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6+esm3",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6+esm3",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6+esm3",
            "binary_name": "unbound-host"
        }
    ]
}