UBUNTU-CVE-2026-42254

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Source

https://ubuntu.com/security/CVE-2026-42254

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42254.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-42254

Upstream

CVE-2026-42254

Published

2026-04-26T03:15:00Z

Modified

2026-05-20T16:25:43Z

Severity

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

Summary

[none]

Details

Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response.

References

Affected packages

Ubuntu:25.10 / rust-hickory-recursor

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.24.1-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "librust-hickory-recursor-dev",
            "binary_version": "0.24.1-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42254.json"

Ubuntu:26.04:LTS / rust-hickory-recursor