USN-7855-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-7855-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7855-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7855-1
Upstream
Related
Published
2025-11-04T14:00:43.563568Z
Modified
2025-12-02T23:29:04.142308Z
Summary
unbound vulnerability
Details

Yuxiao Wu, Yunyi Zhang, Baojun Liu, and Haixin Duan discovered that Unbound incorrectly handled certain promiscuous NS RRSets. A remote attacker could possibly use this issue to perform a domain hijack attack.

References

Affected packages

Ubuntu:22.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.13.1-1ubuntu5.13?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.13.1-1ubuntu5.13

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libunbound-dev",
            "binary_version": "1.13.1-1ubuntu5.13"
        },
        {
            "binary_name": "libunbound8",
            "binary_version": "1.13.1-1ubuntu5.13"
        },
        {
            "binary_name": "python3-unbound",
            "binary_version": "1.13.1-1ubuntu5.13"
        },
        {
            "binary_name": "unbound",
            "binary_version": "1.13.1-1ubuntu5.13"
        },
        {
            "binary_name": "unbound-anchor",
            "binary_version": "1.13.1-1ubuntu5.13"
        },
        {
            "binary_name": "unbound-host",
            "binary_version": "1.13.1-1ubuntu5.13"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": []
}

Ubuntu:24.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.19.2-1ubuntu3.6?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.19.2-1ubuntu3.6

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libunbound-dev",
            "binary_version": "1.19.2-1ubuntu3.6"
        },
        {
            "binary_name": "libunbound8",
            "binary_version": "1.19.2-1ubuntu3.6"
        },
        {
            "binary_name": "python3-unbound",
            "binary_version": "1.19.2-1ubuntu3.6"
        },
        {
            "binary_name": "unbound",
            "binary_version": "1.19.2-1ubuntu3.6"
        },
        {
            "binary_name": "unbound-anchor",
            "binary_version": "1.19.2-1ubuntu3.6"
        },
        {
            "binary_name": "unbound-host",
            "binary_version": "1.19.2-1ubuntu3.6"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": []
}

Ubuntu:25.10 / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.22.0-2ubuntu2.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.22.0-2ubuntu2.1

Affected versions

1.*

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libunbound-dev",
            "binary_version": "1.22.0-2ubuntu2.1"
        },
        {
            "binary_name": "libunbound8",
            "binary_version": "1.22.0-2ubuntu2.1"
        },
        {
            "binary_name": "python3-unbound",
            "binary_version": "1.22.0-2ubuntu2.1"
        },
        {
            "binary_name": "unbound",
            "binary_version": "1.22.0-2ubuntu2.1"
        },
        {
            "binary_name": "unbound-anchor",
            "binary_version": "1.22.0-2ubuntu2.1"
        },
        {
            "binary_name": "unbound-host",
            "binary_version": "1.22.0-2ubuntu2.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:25.10",
    "cves": []
}

Ubuntu:25.04 / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.22.0-1ubuntu1.2?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.22.0-1ubuntu1.2

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libunbound-dev",
            "binary_version": "1.22.0-1ubuntu1.2"
        },
        {
            "binary_name": "libunbound8",
            "binary_version": "1.22.0-1ubuntu1.2"
        },
        {
            "binary_name": "python3-unbound",
            "binary_version": "1.22.0-1ubuntu1.2"
        },
        {
            "binary_name": "unbound",
            "binary_version": "1.22.0-1ubuntu1.2"
        },
        {
            "binary_name": "unbound-anchor",
            "binary_version": "1.22.0-1ubuntu1.2"
        },
        {
            "binary_name": "unbound-host",
            "binary_version": "1.22.0-1ubuntu1.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:25.04",
    "cves": []
}