{
  "document" : {
    "aggregate_severity" : {
      "text" : "hoch"
    },
    "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" : "Xwayland ist ein X-Server für die Ausführung von X-Clients unter Wayland Display Servern. Wayland ist ein Ersatz für X.11 Display-Server.\r\nDas X Window System dient der Erzeugung grafischer Oberflächen auf Unix Systemen.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in Xwayland und X.Org X11 ausnutzen, um einen Denial of Service Angriff durchzuführen, möglicherweise vertrauliche Informationen offenzulegen oder den Speicher zu beschädigen.",
      "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-2026-4511 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4511.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-4511 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4511"
    }, {
      "category" : "external",
      "summary" : "X.Org Security Advisory: multiple security issues in X.Org X server vom 2026-11-10",
      "url" : "https://lists.x.org/archives/xorg-announce/2026-November/003759.html"
    }, {
      "category" : "external",
      "summary" : "xorg-server 21.1.26 vom 2026-11-10",
      "url" : "https://lists.x.org/archives/xorg-announce/2026-November/003760.html"
    }, {
      "category" : "external",
      "summary" : "xwayland 24.1.15 vom 2026-11-10",
      "url" : "https://lists.x.org/archives/xorg-announce/2026-November/003761.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-F7FBDF5649 vom 2026-11-10",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-f7fbdf5649"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-8700515A09 vom 2026-11-10",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-8700515a09"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-31F03364E3 vom 2026-11-10",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-31f03364e3"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-5B2D4EBFDE vom 2026-11-10",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-5b2d4ebfde"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-68C1586AC2 vom 2026-11-10",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-68c1586ac2"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-7DEFD115FA vom 2026-11-10",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-7defd115fa"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:5178-1 vom 2026-11-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-November/030551.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:5180-1 vom 2026-11-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-November/030550.html"
    }, {
      "category" : "external",
      "summary" : "OpenBSD Errata",
      "url" : "https://www.openbsd.org/errata80.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2026-4108 vom 2026-11-12",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2-2026-4108.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Xwayland und X.Org X Server: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-11-12T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-11-13T10:13:27.490+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.7.0"
        }
      },
      "id" : "WID-SEC-W-2026-4511",
      "initial_release_date" : "2026-11-10T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-11-10T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-11-12T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Amazon aufgenommen"
      } ],
      "status" : "final",
      "version" : "2"
    }
  },
  "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" : "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" : "server <21.1.26",
          "product" : {
            "name" : "Open Source X.Org X11 server <21.1.26",
            "product_id" : "T062758"
          }
        }, {
          "category" : "product_version",
          "name" : "server 21.1.26",
          "product" : {
            "name" : "Open Source X.Org X11 server 21.1.26",
            "product_id" : "T062758-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:x:x.org_x11:server__21.1.26"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "X.Org X11"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<24.1.15",
          "product" : {
            "name" : "Open Source Xwayland <24.1.15",
            "product_id" : "T062757"
          }
        }, {
          "category" : "product_version",
          "name" : "24.1.15",
          "product" : {
            "name" : "Open Source Xwayland 24.1.15",
            "product_id" : "T062757-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:x.org:xwayland:24.1.15"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Xwayland"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "8",
          "product" : {
            "name" : "OpenBSD OpenBSD 8.0",
            "product_id" : "T061767",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openbsd:8.0"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "7.9",
          "product" : {
            "name" : "OpenBSD OpenBSD 7.9",
            "product_id" : "T061769",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openbsd:7.9"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "OpenBSD"
      } ],
      "category" : "vendor",
      "name" : "OpenBSD"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T054646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-109091",
    "product_status" : {
      "known_affected" : [ "T061767", "T062757", "T062758", "T061769", "74178", "398363", "T054646" ]
    },
    "release_date" : "2026-11-10T23:00:00.000+00:00",
    "title" : "CVE-2026-109091"
  }, {
    "cve" : "CVE-2026-109092",
    "product_status" : {
      "known_affected" : [ "T061767", "T062757", "T062758", "T061769", "74178", "398363", "T054646" ]
    },
    "release_date" : "2026-11-10T23:00:00.000+00:00",
    "title" : "CVE-2026-109092"
  }, {
    "cve" : "CVE-2026-109093",
    "product_status" : {
      "known_affected" : [ "T061767", "T062757", "T062758", "T061769", "74178", "398363", "T054646" ]
    },
    "release_date" : "2026-11-10T23:00:00.000+00:00",
    "title" : "CVE-2026-109093"
  }, {
    "cve" : "CVE-2026-109094",
    "product_status" : {
      "known_affected" : [ "T061767", "T062757", "T062758", "T061769", "74178", "398363", "T054646" ]
    },
    "release_date" : "2026-11-10T23:00:00.000+00:00",
    "title" : "CVE-2026-109094"
  }, {
    "cve" : "CVE-2026-109095",
    "product_status" : {
      "known_affected" : [ "T061767", "T062757", "T062758", "T061769", "74178", "398363", "T054646" ]
    },
    "release_date" : "2026-11-10T23:00:00.000+00:00",
    "title" : "CVE-2026-109095"
  }, {
    "cve" : "CVE-2026-109096",
    "product_status" : {
      "known_affected" : [ "T061767", "T062757", "T062758", "T061769", "74178", "398363", "T054646" ]
    },
    "release_date" : "2026-11-10T23:00:00.000+00:00",
    "title" : "CVE-2026-109096"
  }, {
    "cve" : "CVE-2026-109903",
    "product_status" : {
      "known_affected" : [ "T061767", "T062757", "T062758", "T061769", "74178", "398363", "T054646" ]
    },
    "release_date" : "2026-11-10T23:00:00.000+00:00",
    "title" : "CVE-2026-109903"
  }, {
    "cve" : "CVE-2026-109904",
    "product_status" : {
      "known_affected" : [ "T061767", "T062757", "T062758", "T061769", "74178", "398363", "T054646" ]
    },
    "release_date" : "2026-11-10T23:00:00.000+00:00",
    "title" : "CVE-2026-109904"
  } ]
}