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EUVD-2026-39388

🗓️ 25 Jun 2026 13:16:45Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

This fix adds extra hardening for the five point four branch by validating incoming answers from authoritative servers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42389
25 Jun 202613:16
attackerkb
CVE
CVE-2026-42389
25 Jun 202613:16
cve
Cvelist
CVE-2026-42389 Reject more queries with invalid header values
25 Jun 202613:16
cvelist
Debian CVE
CVE-2026-42389
25 Jun 202613:16
debiancve
NVD
CVE-2026-42389
25 Jun 202614:16
nvd
OSV
DEBIAN-CVE-2026-42389
25 Jun 202614:48
osv
Positive Technologies
PT-2026-52392
25 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-42389 Reject more queries with invalid header values
25 Jun 202613:16
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "7e93c702-2c48-3e5d-94e3-c90f8b3327cf",
        "vendor": {
          "name": "PowerDNS"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "af5be82f-c56f-3663-b35a-d8befbae9290",
        "product": {
          "name": "Recursor",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "5.4.0 <5.4.3"
      }
    ]
  }
]

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25 Jun 2026 14:58Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3
SSVC
4