UBUNTU-CVE-2026-35406

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Source

https://ubuntu.com/security/CVE-2026-35406

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-35406.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-35406

Upstream

CVE-2026-35406

Published

2026-04-07T22:16:00Z

Modified

2026-05-20T16:25:36.668345389Z

Severity

6.2 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
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

Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1.

References

Affected packages

Ubuntu:24.04:LTS / aardvark-dns

Package

Name: aardvark-dns
Purl: pkg:deb/ubuntu/aardvark-dns?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.0-4

1.4.0-5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "aardvark-dns",
            "binary_version": "1.4.0-5"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-35406.json"

Ubuntu:25.10 / aardvark-dns

Package

Name: aardvark-dns
Purl: pkg:deb/ubuntu/aardvark-dns?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.12.2-2

1.14.0-3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "aardvark-dns",
            "binary_version": "1.14.0-3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-35406.json"

Ubuntu:26.04:LTS / aardvark-dns

Package

Name: aardvark-dns
Purl: pkg:deb/ubuntu/aardvark-dns?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.14.0-3

1.16.0-2

1.16.0-3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "aardvark-dns",
            "binary_version": "1.16.0-3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-35406.json"