{
  "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" : "Ubuntu Linux ist die Linux Distribution des Herstellers Canonical.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen im ubuntu-pro-client von Ubuntu Linux ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen und vertrauliche Informationen offenzulegen.",
      "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-2026-2393 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2393.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2393 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2393"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8555-1 vom 2026-07-16",
      "url" : "https://ubuntu.com/security/notices/USN-8555-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8555-2 vom 2026-09-01",
      "url" : "https://ubuntu.com/security/notices/USN-8555-2"
    } ],
    "source_lang" : "en-US",
    "title" : "Ubuntu Linux (ubuntu-pro-client): Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-09-01T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-09-02T10:23:35.135+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2393",
      "initial_release_date" : "2026-07-16T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-07-16T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-09-01T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      } ],
      "status" : "final",
      "version" : "2"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_name",
          "name" : "Ubuntu Linux",
          "product" : {
            "name" : "Ubuntu Linux",
            "product_id" : "T055947",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:canonical:ubuntu_linux:-"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ubuntu-pro-client <19.7ubuntu0.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client <19.7ubuntu0.1",
            "product_id" : "T056757"
          }
        }, {
          "category" : "product_version",
          "name" : "ubuntu-pro-client 19.7ubuntu0.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client 19.7ubuntu0.1",
            "product_id" : "T056757-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:canonical:ubuntu_linux:ubuntu-pro-client__19.7ubuntu0.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ubuntu-pro-client <37.1ubuntu0~16.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client <37.1ubuntu0~16.04.1",
            "product_id" : "T056758"
          }
        }, {
          "category" : "product_version",
          "name" : "ubuntu-pro-client 37.1ubuntu0~16.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client 37.1ubuntu0~16.04.1",
            "product_id" : "T056758-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:canonical:ubuntu_linux:ubuntu-pro-client__37.1ubuntu016.04.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ubuntu-pro-client <37.1ubuntu0~18.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client <37.1ubuntu0~18.04.1",
            "product_id" : "T056759"
          }
        }, {
          "category" : "product_version",
          "name" : "ubuntu-pro-client 37.1ubuntu0~18.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client 37.1ubuntu0~18.04.1",
            "product_id" : "T056759-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:canonical:ubuntu_linux:ubuntu-pro-client__37.1ubuntu018.04.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ubuntu-pro-client <37.1ubuntu0~20.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client <37.1ubuntu0~20.04.1",
            "product_id" : "T056760"
          }
        }, {
          "category" : "product_version",
          "name" : "ubuntu-pro-client 37.1ubuntu0~20.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client 37.1ubuntu0~20.04.1",
            "product_id" : "T056760-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:canonical:ubuntu_linux:ubuntu-pro-client__37.1ubuntu020.04.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ubuntu-pro-client <37.2ubuntu0.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client <37.2ubuntu0.1",
            "product_id" : "T056761"
          }
        }, {
          "category" : "product_version",
          "name" : "ubuntu-pro-client 37.2ubuntu0.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client 37.2ubuntu0.1",
            "product_id" : "T056761-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:canonical:ubuntu_linux:ubuntu-pro-client__37.2ubuntu0.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ubuntu-pro-client <37.2ubuntu~22.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client <37.2ubuntu~22.04.1",
            "product_id" : "T056762"
          }
        }, {
          "category" : "product_version",
          "name" : "ubuntu-pro-client 37.2ubuntu~22.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client 37.2ubuntu~22.04.1",
            "product_id" : "T056762-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:canonical:ubuntu_linux:ubuntu-pro-client__37.2ubuntu22.04.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "ubuntu-pro-client <37.2ubuntu~24.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client <37.2ubuntu~24.04.1",
            "product_id" : "T056763"
          }
        }, {
          "category" : "product_version",
          "name" : "ubuntu-pro-client 37.2ubuntu~24.04.1",
          "product" : {
            "name" : "Ubuntu Linux ubuntu-pro-client 37.2ubuntu~24.04.1",
            "product_id" : "T056763-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:canonical:ubuntu_linux:ubuntu-pro-client__37.2ubuntu24.04.1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Linux"
      } ],
      "category" : "vendor",
      "name" : "Ubuntu"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-11386",
    "product_status" : {
      "known_affected" : [ "T056757", "T056758", "T056759", "T055947", "T056760", "T056761", "T056762", "T056763" ]
    },
    "release_date" : "2026-07-16T22:00:00.000+00:00",
    "title" : "CVE-2026-11386"
  }, {
    "cve" : "CVE-2026-12391",
    "product_status" : {
      "known_affected" : [ "T056757", "T056758", "T056759", "T055947", "T056760", "T056761", "T056762", "T056763" ]
    },
    "release_date" : "2026-07-16T22:00:00.000+00:00",
    "title" : "CVE-2026-12391"
  }, {
    "cve" : "CVE-2026-9494",
    "product_status" : {
      "known_affected" : [ "T056757", "T056758", "T056759", "T055947", "T056760", "T056761", "T056762", "T056763" ]
    },
    "release_date" : "2026-07-16T22:00:00.000+00:00",
    "title" : "CVE-2026-9494"
  } ]
}