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EUVD-2026-39351

🗓️ 25 Jun 2026 12:24:20Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

An attacker can craft extension records that bypass filters and become valid when the client subnet is added, exposing unfiltered options to the backend.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42004
25 Jun 202612:24
attackerkb
CVE
CVE-2026-42004
25 Jun 202612:24
cve
Cvelist
CVE-2026-42004 EDNS options smuggling
25 Jun 202612:24
cvelist
Debian CVE
CVE-2026-42004
25 Jun 202612:24
debiancve
NVD
CVE-2026-42004
25 Jun 202613:16
nvd
Positive Technologies
PT-2026-52384
25 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-42004 EDNS options smuggling
25 Jun 202612:24
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "46c9e3c2-190f-3ad2-9e16-6fe7ccadc1d8",
        "vendor": {
          "name": "PowerDNS"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "45c0c958-b866-3b2a-9d88-19139679117a",
        "product": {
          "name": "dnsdist",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "1.9.0 <1.9.15"
      },
      {
        "id": "91cf5ed2-122b-3aa4-8f2a-3c5caca1ee77",
        "product": {
          "name": "dnsdist",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "2.0.0 <2.0.7"
      }
    ]
  }
]

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25 Jun 2026 13:44Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.13.7
SSVC
3