WID-SEC-W-2026-1625

Vulnerability from csaf_certbund - Published: 2026-05-20 22:00 - Updated: 2026-05-21 22:00
Summary
PowerDNS Authoritative Server: Mehrere Schwachstellen
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Der Domain Name Service (DNS) ermöglicht die Umsetzung der Domainnamen in IP-Adressen. Zur Verhinderung von übermäßigen Anfragen werden die Zuordnungen häufig lokal in einem Cache gespeichert.
Angriff: Ein Angreifer kann mehrere Schwachstellen in PowerDNS Authoritative Server ausnutzen, um Informationen offenzulegen, Daten zu manipulieren und einen Denial-of-Service-Zustand zu verursachen.
Betroffene Betriebssysteme: - Sonstiges - UNIX
CVE-2026-41999
Affected products
Product Identifier Version Remediation
Open Source PowerDNS Authoritative Server <5.0.5
Open Source / PowerDNS
 Authoritative Server <5.0.5
Open Source PowerDNS Authoritative Server <4.9.15
Open Source / PowerDNS
 Authoritative Server <4.9.15
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
CVE-2026-42000
Affected products
Product Identifier Version Remediation
Open Source PowerDNS Authoritative Server <5.0.5
Open Source / PowerDNS
 Authoritative Server <5.0.5
Open Source PowerDNS Authoritative Server <4.9.15
Open Source / PowerDNS
 Authoritative Server <4.9.15
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
CVE-2026-42001
Affected products
Product Identifier Version Remediation
Open Source PowerDNS Authoritative Server <5.0.5
Open Source / PowerDNS
 Authoritative Server <5.0.5
Open Source PowerDNS Authoritative Server <4.9.15
Open Source / PowerDNS
 Authoritative Server <4.9.15
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
CVE-2026-42002
Affected products
Product Identifier Version Remediation
Open Source PowerDNS Authoritative Server <5.0.5
Open Source / PowerDNS
 Authoritative Server <5.0.5
Open Source PowerDNS Authoritative Server <4.9.15
Open Source / PowerDNS
 Authoritative Server <4.9.15
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
CVE-2026-42396
Affected products
Product Identifier Version Remediation
Open Source PowerDNS Authoritative Server <5.0.5
Open Source / PowerDNS
 Authoritative Server <5.0.5
Open Source PowerDNS Authoritative Server <4.9.15
Open Source / PowerDNS
 Authoritative Server <4.9.15
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Der Domain Name Service (DNS) erm\u00f6glicht die Umsetzung der Domainnamen in IP-Adressen. Zur Verhinderung von \u00fcberm\u00e4\u00dfigen Anfragen werden die Zuordnungen h\u00e4ufig lokal in einem Cache gespeichert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in PowerDNS Authoritative Server ausnutzen, um Informationen offenzulegen, Daten zu manipulieren und einen Denial-of-Service-Zustand zu verursachen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-1625 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1625.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1625 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1625"
      },
      {
        "category": "external",
        "summary": "PowerDNS Security Advisory vom 2026-05-20",
        "url": "https://blog.powerdns.com/2026/05/20/powerdns-security-advisory-2026-06-for-powerdns-authoritative-server"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-EPEL-2026-86E966DCA4 vom 2026-05-21",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-86e966dca4"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-A6E5B1263B vom 2026-05-21",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-a6e5b1263b"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-EPEL-2026-533C3439BA vom 2026-05-21",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-533c3439ba"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-6458693037 vom 2026-05-21",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-6458693037"
      }
    ],
    "source_lang": "en-US",
    "title": "PowerDNS Authoritative Server: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-05-21T22:00:00.000+00:00",
      "generator": {
        "date": "2026-05-22T06:50:37.114+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-1625",
      "initial_release_date": "2026-05-20T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-05-20T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-05-21T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora und European Union Vulnerability Database aufgenommen"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "Authoritative Server \u003c4.9.15",
                "product": {
                  "name": "Open Source PowerDNS Authoritative Server \u003c4.9.15",
                  "product_id": "T054447"
                }
              },
              {
                "category": "product_version",
                "name": "Authoritative Server 4.9.15",
                "product": {
                  "name": "Open Source PowerDNS Authoritative Server 4.9.15",
                  "product_id": "T054447-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:powerdns:recursor:authoritative_server__4.9.15"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "Authoritative Server \u003c5.0.5",
                "product": {
                  "name": "Open Source PowerDNS Authoritative Server \u003c5.0.5",
                  "product_id": "T054448"
                }
              },
              {
                "category": "product_version",
                "name": "Authoritative Server 5.0.5",
                "product": {
                  "name": "Open Source PowerDNS Authoritative Server 5.0.5",
                  "product_id": "T054448-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:powerdns:recursor:authoritative_server__5.0.5"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "PowerDNS"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-41999",
      "product_status": {
        "known_affected": [
          "T054448",
          "T054447",
          "74185"
        ]
      },
      "release_date": "2026-05-20T22:00:00.000+00:00",
      "title": "CVE-2026-41999"
    },
    {
      "cve": "CVE-2026-42000",
      "product_status": {
        "known_affected": [
          "T054448",
          "T054447",
          "74185"
        ]
      },
      "release_date": "2026-05-20T22:00:00.000+00:00",
      "title": "CVE-2026-42000"
    },
    {
      "cve": "CVE-2026-42001",
      "product_status": {
        "known_affected": [
          "T054448",
          "T054447",
          "74185"
        ]
      },
      "release_date": "2026-05-20T22:00:00.000+00:00",
      "title": "CVE-2026-42001"
    },
    {
      "cve": "CVE-2026-42002",
      "product_status": {
        "known_affected": [
          "T054448",
          "T054447",
          "74185"
        ]
      },
      "release_date": "2026-05-20T22:00:00.000+00:00",
      "title": "CVE-2026-42002"
    },
    {
      "cve": "CVE-2026-42396",
      "product_status": {
        "known_affected": [
          "T054448",
          "T054447",
          "74185"
        ]
      },
      "release_date": "2026-05-20T22:00:00.000+00:00",
      "title": "CVE-2026-42396"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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