{
  "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.\r\nXwayland ist ein X-Server für die Ausführung von X-Clients unter Wayland Display Servern. Wayland ist ein Ersatz für X.11 Display-Server.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann mehrere Schwachstellen in X.Org X11 und Xwayland ausnutzen, um beliebigen Programmcode auszuführen und um einen Denial of Service Zustand herbeizuführen.",
      "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-2026-3787 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3787.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-3787 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3787"
    }, {
      "category" : "external",
      "summary" : "OSS Security Mailing List vom 2026-10-06",
      "url" : "https://seclists.org/oss-sec/2026/q4/82"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-112C430FFC vom 2026-10-07",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-112c430ffc"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-2448DDA850 vom 2026-10-07",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-2448dda850"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-2460EBB288 vom 2026-10-07",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-2460ebb288"
    }, {
      "category" : "external",
      "summary" : "OpenBSD 7.9 Errata vom 2026-10-07",
      "url" : "http://www.openbsd.org/errata79.html"
    }, {
      "category" : "external",
      "summary" : "OpenBSD 7.8 Errata vom 2026-10-07",
      "url" : "http://www.openbsd.org/errata78.html"
    } ],
    "source_lang" : "en-US",
    "title" : "X.Org X11 und Xwayland: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-10-07T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-10-08T11:28:01.226+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-3787",
      "initial_release_date" : "2026-10-06T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-10-06T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-10-07T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      } ],
      "status" : "final",
      "version" : "2"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Fedora Linux",
        "product" : {
          "name" : "Fedora Linux",
          "product_id" : "74178",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:fedoraproject:fedora:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Fedora"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<21.1.25",
          "product" : {
            "name" : "Open Source X.Org X11 <21.1.25",
            "product_id" : "T060714"
          }
        }, {
          "category" : "product_version",
          "name" : "21.1.25",
          "product" : {
            "name" : "Open Source X.Org X11 21.1.25",
            "product_id" : "T060714-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:x:x.org_x11:21.1.25"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "X.Org X11"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<24.1.14",
          "product" : {
            "name" : "Open Source Xwayland <24.1.14",
            "product_id" : "T060715"
          }
        }, {
          "category" : "product_version",
          "name" : "24.1.14",
          "product" : {
            "name" : "Open Source Xwayland 24.1.14",
            "product_id" : "T060715-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:x.org:xwayland:24.1.14"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Xwayland"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "7.8",
          "product" : {
            "name" : "OpenBSD OpenBSD 7.8",
            "product_id" : "T060438",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openbsd:7.8"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "7.9",
          "product" : {
            "name" : "OpenBSD OpenBSD 7.9",
            "product_id" : "T060439",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openbsd:7.9"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "OpenBSD"
      } ],
      "category" : "vendor",
      "name" : "OpenBSD"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-88812",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-88812"
  }, {
    "cve" : "CVE-2026-93515",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93515"
  }, {
    "cve" : "CVE-2026-93516",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93516"
  }, {
    "cve" : "CVE-2026-93517",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93517"
  }, {
    "cve" : "CVE-2026-93518",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93518"
  }, {
    "cve" : "CVE-2026-93519",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93519"
  }, {
    "cve" : "CVE-2026-93520",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93520"
  }, {
    "cve" : "CVE-2026-93521",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93521"
  }, {
    "cve" : "CVE-2026-93522",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93522"
  }, {
    "cve" : "CVE-2026-93523",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93523"
  }, {
    "cve" : "CVE-2026-93524",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93524"
  }, {
    "cve" : "CVE-2026-93536",
    "product_status" : {
      "known_affected" : [ "T060438", "T060715", "T060439", "T060714", "74178" ]
    },
    "release_date" : "2026-10-06T22:00:00.000+00:00",
    "title" : "CVE-2026-93536"
  } ]
}