{
  "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" : "Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) für die darauf laufenden Systeme (Domains) paravirtualisiert.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um seine Privilegien zu erhöhen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux",
      "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-2026-2568 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2568.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2568 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2568"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-495.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-496.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-497.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-499.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-500.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-501.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-502.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-503.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-504.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-505.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-506.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-507.html"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2026-07-28",
      "url" : "https://xenbits.xen.org/xsa/advisory-508.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508006 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508006"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508009 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508009"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508010 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508010"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508012 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508012"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508014 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508014"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508016 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508016"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508021 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508021"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508027 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508027"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508028 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508028"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508029 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508029"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508030 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508030"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugtracker 2508034 vom 2026-07-28",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2508034"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3409-1 vom 2026-07-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/028029.html"
    }, {
      "category" : "external",
      "summary" : "Citrix Security Advisory CTX696836 vom 2026-07-30",
      "url" : "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696836"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-9B1AF4C793 vom 2026-07-30",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-9b1af4c793"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-BF1DA84DFC vom 2026-07-30",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-bf1da84dfc"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3423-1 vom 2026-07-30",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-July/028038.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3451-1 vom 2026-08-03",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028113.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:3462-1 vom 2026-08-03",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028118.html"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:11441-1 vom 2026-08-04",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JCGJL5EJVNBLICK7LIWDYRDUOVJXENXF/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6424 vom 2026-08-10",
      "url" : "https://security-tracker.debian.org/tracker/DSA-6424-1"
    } ],
    "source_lang" : "en-US",
    "title" : "Xen: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-08-09T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-08-10T11:48:37.297+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2568",
      "initial_release_date" : "2026-07-28T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-07-28T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-07-29T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von SUSE und Citrix aufgenommen"
      }, {
        "date" : "2026-07-30T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Fedora und SUSE aufgenommen"
      }, {
        "date" : "2026-08-03T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-08-04T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von openSUSE aufgenommen"
      }, {
        "date" : "2026-08-09T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Debian aufgenommen"
      } ],
      "status" : "final",
      "version" : "6"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "8.4",
          "product" : {
            "name" : "Citrix Systems XenServer 8.4",
            "product_id" : "T053402",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:xenserver:8.4"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "9",
          "product" : {
            "name" : "Citrix Systems XenServer 9",
            "product_id" : "T057376",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:citrix:xenserver:9"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "XenServer"
      } ],
      "category" : "vendor",
      "name" : "Citrix Systems"
    }, {
      "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" : "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",
          "name" : "4.17.x",
          "product" : {
            "name" : "Open Source Xen 4.17.x",
            "product_id" : "T057336",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.17.x"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "4.18.x",
          "product" : {
            "name" : "Open Source Xen 4.18.x",
            "product_id" : "T057337",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.18.x"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "4.19.x",
          "product" : {
            "name" : "Open Source Xen 4.19.x",
            "product_id" : "T057338",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.19.x"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "4.20.x",
          "product" : {
            "name" : "Open Source Xen 4.20.x",
            "product_id" : "T057339",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.20.x"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "4.21.x",
          "product" : {
            "name" : "Open Source Xen 4.21.x",
            "product_id" : "T057340",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.21.x"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "4.22.x",
          "product" : {
            "name" : "Open Source Xen 4.22.x",
            "product_id" : "T057341",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:4.22.x"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Xen"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T054646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "SUSE openSUSE",
        "product" : {
          "name" : "SUSE openSUSE",
          "product_id" : "T055946",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:opensuse:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-42492",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-42492"
  }, {
    "cve" : "CVE-2026-42493",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-42493"
  }, {
    "cve" : "CVE-2026-42494",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-42494"
  }, {
    "cve" : "CVE-2026-42495",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-42495"
  }, {
    "cve" : "CVE-2026-62423",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62423"
  }, {
    "cve" : "CVE-2026-62424",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62424"
  }, {
    "cve" : "CVE-2026-62425",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62425"
  }, {
    "cve" : "CVE-2026-62426",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62426"
  }, {
    "cve" : "CVE-2026-62427",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62427"
  }, {
    "cve" : "CVE-2026-62428",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62428"
  }, {
    "cve" : "CVE-2026-62429",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62429"
  }, {
    "cve" : "CVE-2026-62430",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62430"
  }, {
    "cve" : "CVE-2026-62431",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62431"
  }, {
    "cve" : "CVE-2026-62432",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62432"
  }, {
    "cve" : "CVE-2026-62433",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62433"
  }, {
    "cve" : "CVE-2026-62434",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62434"
  }, {
    "cve" : "CVE-2026-62435",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62435"
  }, {
    "cve" : "CVE-2026-62436",
    "product_status" : {
      "known_affected" : [ "T057336", "T057337", "T057338", "T057339", "2951", "T055946", "T057340", "74178", "T053402", "T054646", "T057341", "T057376" ]
    },
    "release_date" : "2026-07-28T22:00:00.000+00:00",
    "title" : "CVE-2026-62436"
  } ]
}