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CVE-2025-59030 Insufficient validation of incoming notifies over TCP can lead to a denial of service in Recursor

🗓️ 09 Dec 2025 09:15:43Reported by OXType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

CVE-2025-59030: TCP NOTIFY validation flaw enables denial of service in Recursor.

Related
Affected
Refs
[
  {
    "collectionURL": "https://repo.powerdns.com/",
    "defaultStatus": "unaffected",
    "modules": [
      "TCP NOTIFY messages handler"
    ],
    "packageName": "pdns-recursor",
    "product": "Recursor",
    "programFiles": [
      "rec-tcp.cc"
    ],
    "repo": "https://github.com/PowerDNS/pdns",
    "vendor": "PowerDNS",
    "versions": [
      {
        "lessThan": "5.3.3",
        "status": "affected",
        "version": "5.3.0",
        "versionType": "semver"
      },
      {
        "lessThan": "5.2.7",
        "status": "affected",
        "version": "5.2.0",
        "versionType": "semver"
      },
      {
        "lessThan": "5.1.9",
        "status": "affected",
        "version": "5.1.0",
        "versionType": "semver"
      }
    ]
  }
]

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