{
  "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 eine Schwachstelle in expat ausnutzen, 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-2026-2718 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2718.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2718 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2718"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-v867-w97p-3vx2 vom 2026-08-09",
      "url" : "https://github.com/advisories/GHSA-v867-w97p-3vx2"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:54869 vom 2026-08-15",
      "url" : "https://access.redhat.com/errata/RHSA-2026:54869"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6446 vom 2026-08-18",
      "url" : "https://security-tracker.debian.org/tracker/DSA-6446-1"
    }, {
      "category" : "external",
      "summary" : "OpenBSD 7.9 Errata vom 2026-08-22",
      "url" : "https://www.openbsd.org/errata79.html"
    }, {
      "category" : "external",
      "summary" : "OpenBSD 7.8 Errata vom 2026-08-22",
      "url" : "http://www.openbsd.org/errata78.html"
    } ],
    "source_lang" : "en-US",
    "title" : "expat: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-08-23T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-08-24T08:57:43.740+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2718",
      "initial_release_date" : "2026-08-09T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-08-09T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-08-16T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-08-17T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2026-08-23T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates aufgenommen"
      } ],
      "status" : "final",
      "version" : "4"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "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_range",
          "name" : "<2.8.3",
          "product" : {
            "name" : "Open Source expat <2.8.3",
            "product_id" : "T057739"
          }
        }, {
          "category" : "product_version",
          "name" : "2.8.3",
          "product" : {
            "name" : "Open Source expat 2.8.3",
            "product_id" : "T057739-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:expat:expat:2.8.3"
            }
          }
        } ],
        "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"
            }
          }
        }, {
          "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"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "OpenBSD"
      } ],
      "category" : "vendor",
      "name" : "OpenBSD"
    }, {
      "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-2026-72522",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T053173", "T058490", "T057739" ]
    },
    "release_date" : "2026-08-09T22:00:00.000+00:00",
    "title" : "CVE-2026-72522"
  } ]
}