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CVE-2026-33600

Estado: AnalizadaMedia (4.9)—

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

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)

Powerdns — Recursor

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-33600",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-33600",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-22T17:52:53.538831Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
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          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
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  "affected": [
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          "vendor": "PowerDNS",
          "modules": [
            "Response Policy Zone"
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              "lessThan": "5.2.9",
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          ],
          "packageName": "pdns-recursor",
          "programFiles": [
            "rpzloader.cc"
          ],
          "collectionURL": "https://repo.powerdns.com/",
          "defaultStatus": "unaffected"
        }
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    }
  ],
  "published": "2026-04-22T10:16:52.107",
  "references": [
    {
      "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "source": "security@open-xchange.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "value": "CWE-476"
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    {
      "lang": "en",
      "value": "An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service."
    }
  ],
  "lastModified": "2026-06-17T10:37:46.217",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}