{
  "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" : "Expat ist ein XML Parser, der in der Programmiersprache-C geschrieben ist.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann mehrere Schwachstellen in libexpat ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen, darunter möglicherweise die Ausführung von beliebigem Code, die Manipulation von Daten, die Umgehung von Sicherheitsmaßnahmen, die Offenlegung vertraulicher Informationen oder die Herbeiführung eines Denial-of-Service-Zustands.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Sonstiges\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-2026-2025 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2025.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2025 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2025"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38180"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38181"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38182"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38183"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38184"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38185"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38186"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38187"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38188"
    }, {
      "category" : "external",
      "summary" : "EU Vulnerability Database vom 2026-06-21",
      "url" : "https://euvd.enisa.europa.eu/enisa/EUVD-2026-38189"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:30647 vom 2026-06-28",
      "url" : "https://access.redhat.com/errata/RHSA-2026:30647"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7280109 vom 2026-07-15",
      "url" : "https://www.ibm.com/support/pages/node/7280109"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7280108 vom 2026-07-15",
      "url" : "https://www.ibm.com/support/pages/node/7280108"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7280107 vom 2026-07-15",
      "url" : "https://www.ibm.com/support/pages/node/7280107"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7280106 vom 2026-07-15",
      "url" : "https://www.ibm.com/support/pages/node/7280106"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2026-3800 vom 2026-07-21",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2-2026-3800.html"
    }, {
      "category" : "external",
      "summary" : "Meinberg Security Advisory MBGSA-2026.05 vom 2026-07-21",
      "url" : "http://news.meinberg.de/680/"
    }, {
      "category" : "external",
      "summary" : "OpenBSD 7.8 Errata vom 2026-08-22",
      "url" : "http://www.openbsd.org/errata78.html"
    }, {
      "category" : "external",
      "summary" : "OpenBSD 7.9 Errata vom 2026-08-22",
      "url" : "https://www.openbsd.org/errata79.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2026-3880 vom 2026-09-01",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2-2026-3880.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4765 vom 2026-08-31",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/08/msg00057.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2FIREFOX-2026-064 vom 2026-09-01",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2FIREFOX-2026-064.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:64810 vom 2026-09-08",
      "url" : "https://access.redhat.com/errata/RHSA-2026:64810"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:64809 vom 2026-09-08",
      "url" : "https://access.redhat.com/errata/RHSA-2026:64809"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:64812 vom 2026-09-08",
      "url" : "https://access.redhat.com/errata/RHSA-2026:64812"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-64810 vom 2026-09-08",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-64810-0.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-64809 vom 2026-09-09",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-64809-0.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:64809 vom 2026-09-09",
      "url" : "https://errata.build.resf.org/RLSA-2026:64809"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:64810 vom 2026-09-09",
      "url" : "https://errata.build.resf.org/RLSA-2026:64810"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:64812 vom 2026-09-09",
      "url" : "https://errata.build.resf.org/RLSA-2026:64812"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-64812 vom 2026-09-09",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-64812-0.html"
    } ],
    "source_lang" : "en-US",
    "title" : "libexpat: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff",
    "tracking" : {
      "current_release_date" : "2026-09-09T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-09-10T12:50:07.241+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2025",
      "initial_release_date" : "2026-06-21T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-06-21T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-06-28T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-07-14T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von IBM aufgenommen"
      }, {
        "date" : "2026-07-15T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von IBM aufgenommen"
      }, {
        "date" : "2026-07-21T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Amazon und Meinberg aufgenommen"
      }, {
        "date" : "2026-08-23T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates aufgenommen"
      }, {
        "date" : "2026-08-31T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Amazon und Debian aufgenommen"
      }, {
        "date" : "2026-09-07T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-09-08T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2026-09-09T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Rocky Enterprise Software Foundation und Oracle Linux aufgenommen"
      } ],
      "status" : "final",
      "version" : "10"
    }
  },
  "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" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "7.3",
          "product" : {
            "name" : "IBM AIX 7.3",
            "product_id" : "1139691",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:ibm:aix:7.3"
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          }
        } ],
        "category" : "product_name",
        "name" : "AIX"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "4.1",
          "product" : {
            "name" : "IBM VIOS 4.1",
            "product_id" : "1522854",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:ibm:vios:4.1"
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          }
        } ],
        "category" : "product_name",
        "name" : "VIOS"
      } ],
      "category" : "vendor",
      "name" : "IBM"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<V7.10.013",
          "product" : {
            "name" : "Meinberg LANTIME <V7.10.013",
            "product_id" : "T056848"
          }
        }, {
          "category" : "product_version",
          "name" : "V7.10.013",
          "product" : {
            "name" : "Meinberg LANTIME V7.10.013",
            "product_id" : "T056848-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:meinberg:lantime:v7.10.013"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "LANTIME"
      } ],
      "category" : "vendor",
      "name" : "Meinberg"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<2.8.2",
          "product" : {
            "name" : "Open Source expat <2.8.2",
            "product_id" : "T055656"
          }
        }, {
          "category" : "product_version",
          "name" : "2.8.2",
          "product" : {
            "name" : "Open Source expat 2.8.2",
            "product_id" : "T055656-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:expat:expat:2.8.2"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "expat"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "7.8",
          "product" : {
            "name" : "OpenBSD OpenBSD 7.8",
            "product_id" : "T053173",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openbsd:7.8"
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          }
        }, {
          "category" : "product_version",
          "name" : "7.9",
          "product" : {
            "name" : "OpenBSD OpenBSD 7.9",
            "product_id" : "T058490",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openbsd:7.9"
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          }
        } ],
        "category" : "product_name",
        "name" : "OpenBSD"
      } ],
      "category" : "vendor",
      "name" : "OpenBSD"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Oracle Linux",
        "product" : {
          "name" : "Oracle Linux",
          "product_id" : "T056236",
          "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" : "T054581",
          "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"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-50219",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-50219"
  }, {
    "cve" : "CVE-2026-56403",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56403"
  }, {
    "cve" : "CVE-2026-56404",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56404"
  }, {
    "cve" : "CVE-2026-56405",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56405"
  }, {
    "cve" : "CVE-2026-56406",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56406"
  }, {
    "cve" : "CVE-2026-56407",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56407"
  }, {
    "cve" : "CVE-2026-56408",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56408"
  }, {
    "cve" : "CVE-2026-56409",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56409"
  }, {
    "cve" : "CVE-2026-56410",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56410"
  }, {
    "cve" : "CVE-2026-56411",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56411"
  }, {
    "cve" : "CVE-2026-56412",
    "product_status" : {
      "known_affected" : [ "1139691", "T056236", "2951", "T054581", "67646", "T053173", "T058490", "T056848", "1522854", "398363", "T055656" ]
    },
    "release_date" : "2026-06-21T22:00:00.000+00:00",
    "title" : "CVE-2026-56412"
  } ]
}