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EUVD-2026-39356

🗓️ 25 Jun 2026 12:58:51Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

ECS zero scoped answers are stored in the packet cache, which is incorrect and affects only configurations with ECS enabled.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40012
25 Jun 202612:58
attackerkb
CVE
CVE-2026-40012
25 Jun 202612:58
cve
Cvelist
CVE-2026-40012 Information about ECS zero scoped answers might leak to clients that use a specific ECS
25 Jun 202612:58
cvelist
Debian CVE
CVE-2026-40012
25 Jun 202612:58
debiancve
NVD
CVE-2026-40012
25 Jun 202614:16
nvd
Positive Technologies
PT-2026-52388
25 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-40012 Information about ECS zero scoped answers might leak to clients that use a specific ECS
25 Jun 202612:58
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "85469fcb-ad42-3561-bcfb-8544d3ec378c",
        "vendor": {
          "name": "PowerDNS"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "61bf1151-0f2a-35f4-ae6d-8ca8f2d34771",
        "product": {
          "name": "Recursor",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "5.2.0 <5.2.11"
      },
      {
        "id": "99bbc68a-df49-3c6e-bfdb-5336d869f1bc",
        "product": {
          "name": "Recursor",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "5.3.0 <5.3.8"
      },
      {
        "id": "d32790b5-94d3-3a70-a3cb-8152ca3e16bc",
        "product": {
          "name": "Recursor",
          "vendor": {
            "name": "PowerDNS"
          }
        },
        "product_version": "5.4.0 <5.4.3"
      }
    ]
  }
]

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25 Jun 2026 12:58Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
SSVC
2