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CVE-2026-40208

Estado: AplazadaBaja (3.7)—

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

ISC — BindAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-40208",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-40208",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-25T13:24:51.405029Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@open-xchange.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.7,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "security@open-xchange.com",
      "affectedData": [
        {
          "repo": "https://github.com/PowerDNS/pdns",
          "vendor": "PowerDNS",
          "modules": [
            "DNS over HTTP3"
          ],
          "product": "DNSdist",
          "versions": [
            {
              "status": "affected",
              "version": "1.9.0",
              "lessThan": "1.9.15",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "2.0.0",
              "lessThan": "2.0.7",
              "versionType": "semver"
            }
          ],
          "packageName": "dnsdist",
          "programFiles": [
            "doh3.cc"
          ],
          "collectionURL": "https://repo.powerdns.com/",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-06-25T13:16:39.427",
  "references": [
    {
      "url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-09.html",
      "source": "security@open-xchange.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-705"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame."
    }
  ],
  "lastModified": "2026-06-25T15:59:47.100",
  "sourceIdentifier": "security@open-xchange.com"
}