{
  "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" : "Das X Window System dient der Erzeugung grafischer Oberflächen auf Unix Systemen.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann mehrere Schwachstellen in X.Org 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-2024-0021 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2024-0021.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2024-0021 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0021"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2019:2079 vom 2019-08-06",
      "url" : "https://access.redhat.com/errata/RHSA-2019:2079"
    }, {
      "category" : "external",
      "summary" : "CentOS Security Advisory CESA-2019:2079 vom 2020-02-06",
      "url" : "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2019-2079-Moderate-CentOS-7-xorg-x11-drv-ati-Security-Update-tp4645838.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:0037-1 vom 2024-01-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017591.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2025-3A9B79CA0E vom 2025-12-03",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2025-3a9b79ca0e"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2025-E110B32AC7 vom 2025-12-03",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2025-e110b32ac7"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2025:15815-1 vom 2025-12-12",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/EHMZ2NY535D3T3H5ATVQ3IZOEXYV22ZI/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:4407-1 vom 2025-12-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-December/023553.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:4426-1 vom 2025-12-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-December/023569.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20186-1 vom 2026-02-03",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024030.html"
    } ],
    "source_lang" : "en-US",
    "title" : "X.Org X11: Mehrere Schwachstellen ermöglichen Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-02-03T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-02-04T09:39:31.065+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2024-0021",
      "initial_release_date" : "2019-08-06T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2019-08-06T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2019-08-07T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Korrektur: Angriff nur lokal bzgl. gemeldeter CVE"
      }, {
        "date" : "2020-02-05T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von CentOS aufgenommen"
      }, {
        "date" : "2024-01-07T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-12-02T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2025-12-14T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von openSUSE aufgenommen"
      }, {
        "date" : "2025-12-15T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-12-17T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-02-03T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "9"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "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" : [ {
        "category" : "product_name",
        "name" : "Open Source CentOS",
        "product" : {
          "name" : "Open Source CentOS",
          "product_id" : "1727",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:centos:centos:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Open Source X.Org X11",
        "product" : {
          "name" : "Open Source X.Org X11",
          "product_id" : "T001034",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:x:x.org_x11:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "7",
          "product" : {
            "name" : "Red Hat Enterprise Linux 7",
            "product_id" : "T006054",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:redhat:enterprise_linux:7"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "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"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2018-15853",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15853"
  }, {
    "cve" : "CVE-2018-15854",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15854"
  }, {
    "cve" : "CVE-2018-15855",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15855"
  }, {
    "cve" : "CVE-2018-15856",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15856"
  }, {
    "cve" : "CVE-2018-15857",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15857"
  }, {
    "cve" : "CVE-2018-15859",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15859"
  }, {
    "cve" : "CVE-2018-15861",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15861"
  }, {
    "cve" : "CVE-2018-15862",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15862"
  }, {
    "cve" : "CVE-2018-15863",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15863"
  }, {
    "cve" : "CVE-2018-15864",
    "product_status" : {
      "known_affected" : [ "T002207", "T027843", "T001034", "1727", "T006054", "74185" ]
    },
    "release_date" : "2019-08-06T22:00:00.000+00:00",
    "title" : "CVE-2018-15864"
  } ]
}