{
  "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 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."
    }, {
      "category" : "description",
      "text" : "CoreDNS ist ein DNS server.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in CoreDNS ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2026-0627 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0627.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0627 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0627"
    }, {
      "category" : "external",
      "summary" : "CoreDNS GitHub vom 2026-03-05",
      "url" : "https://github.com/coredns/coredns/security/advisories/GHSA-c9v3-4pv7-87pr"
    }, {
      "category" : "external",
      "summary" : "CoreDNS GitHub vom 2026-03-05",
      "url" : "https://github.com/coredns/coredns/security/advisories/GHSA-h75p-j8xm-m278"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:10297-1 vom 2026-03-08",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/XTKYCU7PQZZIHLVJXWGEMRKJRO3UY3UT/"
    }, {
      "category" : "external",
      "summary" : "Microsoft Leitfaden für Sicherheitsupdates vom 2026-03-10",
      "url" : "https://msrc.microsoft.com/update-guide/"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:0079-1 vom 2026-03-11",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/AHRCSJENZA3STN62UKMLBRZ4QP3KV22D/"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:0080-1 vom 2026-03-11",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/DPID4P33S2DUNWVEUQAOMM2IL347ZUIU/"
    } ],
    "source_lang" : "en-US",
    "title" : "CoreDNS: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-03-11T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-03-12T09:47:08.567+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0627",
      "initial_release_date" : "2026-03-05T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-03-05T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-03-08T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von openSUSE und European Union Vulnerability Database aufgenommen"
      }, {
        "date" : "2026-03-10T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates aufgenommen"
      }, {
        "date" : "2026-03-11T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von openSUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "4"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "azl3",
          "product" : {
            "name" : "Microsoft Azure Linux azl3",
            "product_id" : "T049210",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:microsoft:azure_linux:azl3"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Azure Linux"
      } ],
      "category" : "vendor",
      "name" : "Microsoft"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<1.14.2",
          "product" : {
            "name" : "Open Source CoreDNS <1.14.2",
            "product_id" : "T051469"
          }
        }, {
          "category" : "product_version",
          "name" : "1.14.2",
          "product" : {
            "name" : "Open Source CoreDNS 1.14.2",
            "product_id" : "T051469-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:coredns:coredns:1.14.2"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "CoreDNS"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE openSUSE",
        "product" : {
          "name" : "SUSE openSUSE",
          "product_id" : "T027843",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:opensuse:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-26017",
    "product_status" : {
      "known_affected" : [ "T027843", "T051469", "T049210" ]
    },
    "release_date" : "2026-03-05T23:00:00.000+00:00",
    "title" : "CVE-2026-26017"
  }, {
    "cve" : "CVE-2026-26018",
    "product_status" : {
      "known_affected" : [ "T027843", "T051469", "T049210" ]
    },
    "release_date" : "2026-03-05T23:00:00.000+00:00",
    "title" : "CVE-2026-26018"
  } ]
}