{
  "document" : {
    "aggregate_severity" : {
      "text" : "hoch"
    },
    "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" : "Dnsmasq ist ein leichtgewichtiger DNS- und DHCP Server.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in dnsmasq ausnutzen, um einen Denial-of-Service-Zustand zu verursachen, beliebigen Code mit Root-Rechten auszuführen, vertrauliche Informationen offenzulegen, Daten zu manipulieren und Benutzer auf bösartige Domains umzuleiten",
      "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-2026-1468 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1468.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1468 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1468"
    }, {
      "category" : "external",
      "summary" : "CERT Coordination Center vom 2026-05-11",
      "url" : "https://www.kb.cert.org/vuls/id/471747"
    }, {
      "category" : "external",
      "summary" : "dnsmasq Changelog vom 2026-05-11",
      "url" : "https://thekelleys.org.uk/dnsmasq/CHANGELOG"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6264 vom 2026-05-11",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00175.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-AC5CCEEC13 vom 2026-05-12",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-ac5cceec13"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-6384A3CF14 vom 2026-05-12",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-6384a3cf14"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1827-1 vom 2026-05-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026015.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8268-1 vom 2026-05-13",
      "url" : "https://ubuntu.com/security/notices/USN-8268-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1826-1 vom 2026-05-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026016.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1828-1 vom 2026-05-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026014.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:21640-1 vom 2026-05-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026052.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:21626-1 vom 2026-05-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026066.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:21633-1 vom 2026-05-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026059.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:1934-1 vom 2026-05-18",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026121.html"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:20748-1 vom 2026-05-19",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RQFO6J45PPUW5LJFB2HSLIVIAQLUV75Z/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:21677-1 vom 2026-05-19",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026158.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:19373 vom 2026-05-20",
      "url" : "https://access.redhat.com/errata/RHSA-2026:19373"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:19158 vom 2026-05-19",
      "url" : "https://access.redhat.com/errata/RHSA-2026:19158"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:10821-1 vom 2026-05-21",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ZVZVK3B6N4KRDHO7EXWKA5KSCH5VKF5K/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:21733-1 vom 2026-05-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026266.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:20589 vom 2026-05-26",
      "url" : "https://access.redhat.com/errata/RHSA-2026:20589"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-20589 vom 2026-05-26",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-20589.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2026-3318 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2-2026-3318.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2DNSMASQ-2026-004 vom 2026-05-26",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2DNSMASQ-2026-004.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:21788-1 vom 2026-05-27",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026352.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:20589 vom 2026-05-29",
      "url" : "https://errata.build.resf.org/RLSA-2026:20589"
    } ],
    "source_lang" : "en-US",
    "title" : "dnsmasq: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-05-28T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-05-29T07:16:40.688+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1468",
      "initial_release_date" : "2026-05-11T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-05-11T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-05-12T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2026-05-14T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE und Ubuntu aufgenommen"
      }, {
        "date" : "2026-05-17T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-05-18T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-05-19T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE und Red Hat aufgenommen"
      }, {
        "date" : "2026-05-21T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von openSUSE aufgenommen"
      }, {
        "date" : "2026-05-25T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE und Red Hat aufgenommen"
      }, {
        "date" : "2026-05-26T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Oracle Linux und Amazon aufgenommen"
      }, {
        "date" : "2026-05-27T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-05-28T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
      } ],
      "status" : "final",
      "version" : "11"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Amazon Linux 2",
        "product" : {
          "name" : "Amazon Linux 2",
          "product_id" : "398363",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:amazon:linux_2:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Amazon"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Debian Linux",
        "product" : {
          "name" : "Debian Linux",
          "product_id" : "2951",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:debian:debian_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "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" : "<2.92rel2",
          "product" : {
            "name" : "Open Source dnsmasq <2.92rel2",
            "product_id" : "T053807"
          }
        }, {
          "category" : "product_version",
          "name" : "2.92rel2",
          "product" : {
            "name" : "Open Source dnsmasq 2.92rel2",
            "product_id" : "T053807-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:dnsmasq:dnsmasq:2.92rel2"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "dnsmasq"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Oracle Linux",
        "product" : {
          "name" : "Oracle Linux",
          "product_id" : "T004914",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:oracle:linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Oracle"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "RESF Rocky Linux",
        "product" : {
          "name" : "RESF Rocky Linux",
          "product_id" : "T032255",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:resf:rocky_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "RESF"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Red Hat Enterprise Linux",
        "product" : {
          "name" : "Red Hat Enterprise Linux",
          "product_id" : "67646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:redhat:enterprise_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T002207",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      }, {
        "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"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Ubuntu Linux",
        "product" : {
          "name" : "Ubuntu Linux",
          "product_id" : "T000126",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:canonical:ubuntu_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Ubuntu"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-2291",
    "product_status" : {
      "known_affected" : [ "T053807", "2951", "T002207", "67646", "T000126", "T027843", "398363", "T004914", "T032255", "74185" ]
    },
    "release_date" : "2026-05-11T22:00:00.000+00:00",
    "title" : "CVE-2026-2291"
  }, {
    "cve" : "CVE-2026-4892",
    "product_status" : {
      "known_affected" : [ "T053807", "2951", "T002207", "67646", "T000126", "T027843", "398363", "T004914", "T032255", "74185" ]
    },
    "release_date" : "2026-05-11T22:00:00.000+00:00",
    "title" : "CVE-2026-4892"
  }, {
    "cve" : "CVE-2026-4893",
    "product_status" : {
      "known_affected" : [ "T053807", "2951", "T002207", "67646", "T000126", "T027843", "398363", "T004914", "T032255", "74185" ]
    },
    "release_date" : "2026-05-11T22:00:00.000+00:00",
    "title" : "CVE-2026-4893"
  }, {
    "cve" : "CVE-2026-5172",
    "product_status" : {
      "known_affected" : [ "T053807", "2951", "T002207", "67646", "T000126", "T027843", "398363", "T004914", "T032255", "74185" ]
    },
    "release_date" : "2026-05-11T22:00:00.000+00:00",
    "title" : "CVE-2026-5172"
  }, {
    "cve" : "CVE-2026-4891",
    "product_status" : {
      "known_affected" : [ "T053807", "2951", "T002207", "67646", "T000126", "T027843", "398363", "T004914", "T032255", "74185" ]
    },
    "release_date" : "2026-05-11T22:00:00.000+00:00",
    "title" : "CVE-2026-4891"
  }, {
    "cve" : "CVE-2026-4890",
    "product_status" : {
      "known_affected" : [ "T053807", "2951", "T002207", "67646", "T000126", "T027843", "398363", "T004914", "T032255", "74185" ]
    },
    "release_date" : "2026-05-11T22:00:00.000+00:00",
    "title" : "CVE-2026-4890"
  } ]
}