{
  "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 entfernter, anonymer Angreifer kann eine Schwachstelle in libexpat ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- Sonstiges",
      "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-2024-1734 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2024-1734.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2024-1734 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1734"
    }, {
      "category" : "external",
      "summary" : "NATIONAL VULNERABILITY DATABASE vom 2019-09-08",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-15903"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4132-2 vom 2019-09-12",
      "url" : "https://usn.ubuntu.com/4132-2/"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4132-1 vom 2019-09-12",
      "url" : "https://usn.ubuntu.com/4132-1/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-4530 vom 2019-09-22",
      "url" : "https://www.debian.org/security/2019/dsa-4530"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2019:2440-1 vom 2019-09-24",
      "url" : "https://www.suse.com/support/update/announcement/2019/suse-su-20192440-1.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2019:2429-1 vom 2019-09-23",
      "url" : "https://www.suse.com/support/update/announcement/2019/suse-su-20192429-1.html"
    }, {
      "category" : "external",
      "summary" : "NetApp Security Advisory NTAP-20190926-0004 vom 2019-09-26",
      "url" : "https://security.netapp.com/advisory/ntap-20190926-0004/"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:2646 vom 2020-06-22",
      "url" : "https://access.redhat.com/errata/RHSA-2020:2646"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:2644 vom 2020-06-22",
      "url" : "https://access.redhat.com/errata/RHSA-2020:2644"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:3952 vom 2020-09-29",
      "url" : "https://access.redhat.com/errata/RHSA-2020:3952"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2020-116 vom 2020-10-10",
      "url" : "https://downloads.avaya.com/css/P8/documents/101071290"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:4484 vom 2020-11-04",
      "url" : "https://access.redhat.com/errata/RHSA-2020:4484"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:5149 vom 2020-11-18",
      "url" : "https://access.redhat.com/errata/RHSA-2020:5149"
    }, {
      "category" : "external",
      "summary" : "AVAYA Security Advisory ASA-2020-164 vom 2020-12-15",
      "url" : "https://downloads.avaya.com/css/P8/documents/101072985"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:0146 vom 2021-01-14",
      "url" : "https://access.redhat.com/errata/RHSA-2021:0146"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:5635 vom 2021-02-24",
      "url" : "https://access.redhat.com/errata/RHSA-2020:5635"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2020:5633 vom 2021-02-24",
      "url" : "https://access.redhat.com/errata/RHSA-2020:5633"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:0949 vom 2021-03-22",
      "url" : "https://access.redhat.com/errata/RHSA-2021:0949"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:3016 vom 2021-08-06",
      "url" : "https://access.redhat.com/errata/RHSA-2021:3016"
    }, {
      "category" : "external",
      "summary" : "F5 Security Advisory K05295469 vom 2022-02-04",
      "url" : "https://support.f5.com/csp/article/K05295469"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2022:0056 vom 2022-03-10",
      "url" : "https://access.redhat.com/errata/RHSA-2022:0056"
    }, {
      "category" : "external",
      "summary" : "Brocade Security Advisory BSA-2024-1960 vom 2024-07-30",
      "url" : "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24611"
    }, {
      "category" : "external",
      "summary" : "HPE Security Bulletin vom 2024-08-01",
      "url" : "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbst04679en_us&docLocale=en_US"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-7199-1 vom 2025-01-13",
      "url" : "https://ubuntu.com/security/notices/USN-7199-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:20311-1 vom 2025-06-04",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-June/021027.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:20207-1 vom 2025-06-04",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-June/021128.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2025:22871 vom 2025-12-09",
      "url" : "https://access.redhat.com/errata/RHSA-2025:22871"
    } ],
    "source_lang" : "en-US",
    "title" : "libexpat: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2025-12-08T23:00:00.000+00:00",
      "generator" : {
        "date" : "2025-12-09T12:09:59.406+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2024-1734",
      "initial_release_date" : "2019-09-08T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2019-09-08T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2019-09-12T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2019-09-22T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2019-09-23T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2019-09-25T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von NetApp aufgenommen"
      }, {
        "date" : "2019-12-04T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Produkte ergänzt"
      }, {
        "date" : "2020-06-22T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-09-29T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-10-11T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von AVAYA aufgenommen"
      }, {
        "date" : "2020-11-03T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-11-18T23:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2020-12-16T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von AVAYA aufgenommen"
      }, {
        "date" : "2021-01-14T23:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-02-24T23:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-03-21T23:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-08-05T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2022-02-03T23:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von F5 aufgenommen"
      }, {
        "date" : "2022-03-10T23:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-07-30T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von BROCADE aufgenommen"
      }, {
        "date" : "2024-07-31T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von HP aufgenommen"
      }, {
        "date" : "2025-01-12T23:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2025-06-03T22:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-12-08T23:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      } ],
      "status" : "final",
      "version" : "23"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Avaya Aura Application Enablement Services",
        "product" : {
          "name" : "Avaya Aura Application Enablement Services",
          "product_id" : "T015516",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:aura_application_enablement_services:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Aura Communication Manager",
        "product" : {
          "name" : "Avaya Aura Communication Manager",
          "product_id" : "T015126",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:communication_manager:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Aura Experience Portal",
        "product" : {
          "name" : "Avaya Aura Experience Portal",
          "product_id" : "T015519",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:aura_experience_portal:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Aura Session Manager",
        "product" : {
          "name" : "Avaya Aura Session Manager",
          "product_id" : "T015127",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:session_manager:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Aura System Manager",
        "product" : {
          "name" : "Avaya Aura System Manager",
          "product_id" : "T015518",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:aura_system_manager:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Avaya Web License Manager",
        "product" : {
          "name" : "Avaya Web License Manager",
          "product_id" : "T016243",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:avaya:web_license_manager:-"
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        }
      } ],
      "category" : "vendor",
      "name" : "Avaya"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_name",
          "name" : "Broadcom Fabric OS",
          "product" : {
            "name" : "Broadcom Fabric OS",
            "product_id" : "978054",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:broadcom:fabric_operating_system:-"
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          }
        }, {
          "category" : "product_version_range",
          "name" : "<v9.2.1",
          "product" : {
            "name" : "Broadcom Fabric OS <v9.2.1",
            "product_id" : "T034490"
          }
        }, {
          "category" : "product_version",
          "name" : "v9.2.1",
          "product" : {
            "name" : "Broadcom Fabric OS v9.2.1",
            "product_id" : "T034490-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:broadcom:fabric_operating_system:v9.2.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<v9.1.1d2",
          "product" : {
            "name" : "Broadcom Fabric OS <v9.1.1d2",
            "product_id" : "T036503"
          }
        }, {
          "category" : "product_version",
          "name" : "v9.1.1d2",
          "product" : {
            "name" : "Broadcom Fabric OS v9.1.1d2",
            "product_id" : "T036503-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:broadcom:fabric_operating_system:v9.1.1d2"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<v9.2.0b1",
          "product" : {
            "name" : "Broadcom Fabric OS <v9.2.0b1",
            "product_id" : "T036504"
          }
        }, {
          "category" : "product_version",
          "name" : "v9.2.0b1",
          "product" : {
            "name" : "Broadcom Fabric OS v9.2.0b1",
            "product_id" : "T036504-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:broadcom:fabric_operating_system:v9.2.0b1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Fabric OS"
      } ],
      "category" : "vendor",
      "name" : "Broadcom"
    }, {
      "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" : "F5 BIG-IP",
        "product" : {
          "name" : "F5 BIG-IP",
          "product_id" : "T001663",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:f5:big-ip:-"
          }
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      } ],
      "category" : "vendor",
      "name" : "F5"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "HPE Switch",
        "product" : {
          "name" : "HPE Switch",
          "product_id" : "T005119",
          "product_identification_helper" : {
            "cpe" : "cpe:/h:hp:switch:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "HPE"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "NetApp Data ONTAP",
        "product" : {
          "name" : "NetApp Data ONTAP",
          "product_id" : "7654",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:netapp:data_ontap:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "NetApp"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<2.2.8",
          "product" : {
            "name" : "Open Source expat <2.2.8",
            "product_id" : "T014959"
          }
        }, {
          "category" : "product_version",
          "name" : "2.2.8",
          "product" : {
            "name" : "Open Source expat 2.2.8",
            "product_id" : "T014959-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:expat:expat:2.2.8"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "expat"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "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" : "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-2019-15903",
    "product_status" : {
      "known_affected" : [ "T014959", "T015519", "T015518", "67646", "T015516", "T036503", "T036504", "7654", "T005119", "T015127", "T015126", "T016243", "978054", "2951", "T002207", "T034490", "T000126", "T001663" ]
    },
    "release_date" : "2019-09-08T22:00:00.000+00:00",
    "title" : "CVE-2019-15903"
  } ]
}