{
  "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" : "OpenVPN ist eine Open Source Software zum Aufbau eines Virtuellen Privaten Netzwerkes (VPN) über eine verschlüsselte TLS-Verbindung. Zur Verschlüsselung werden die Bibliotheken des Programmes OpenSSL benutzt.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in OpenVPN ausnutzen, um einen Denial of Service Angriff durchzuführen, und um Informationen offenzulegen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX\n- Windows",
      "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-2026-1264 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1264.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1264 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1264"
    }, {
      "category" : "external",
      "summary" : "OpenVPN Security Announcements vom 2026-04-23",
      "url" : "https://community.openvpn.net/Security%20Announcements/CVE-2026-35058"
    }, {
      "category" : "external",
      "summary" : "OpenVPN Security Announcements vom 2026-04-23",
      "url" : "https://community.openvpn.net/Security%20Announcements/CVE-2026-40215"
    }, {
      "category" : "external",
      "summary" : "OpenVPN Release History vom 2026-04-23",
      "url" : "https://community.openvpn.net/ReleaseHistory"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-086ACF3001 vom 2026-04-27",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-086acf3001"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-EPEL-2026-A534B99D27 vom 2026-04-27",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-a534b99d27"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-EPEL-2026-07552E95EF vom 2026-04-27",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-07552e95ef"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-EPEL-2026-5560315E97 vom 2026-04-27",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-5560315e97"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8286-1 vom 2026-05-20",
      "url" : "https://ubuntu.com/security/notices/USN-8286-1"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6289 vom 2026-05-22",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00200.html"
    } ],
    "source_lang" : "en-US",
    "title" : "OpenVPN: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-05-21T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-05-22T07:22:23.458+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1264",
      "initial_release_date" : "2026-04-23T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-04-23T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-04-27T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2026-05-20T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2026-05-21T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Debian aufgenommen"
      } ],
      "status" : "final",
      "version" : "4"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "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" : "74185",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:fedoraproject:fedora:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Fedora"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<2.7.2",
          "product" : {
            "name" : "Open Source OpenVPN <2.7.2",
            "product_id" : "T053305"
          }
        }, {
          "category" : "product_version",
          "name" : "2.7.2",
          "product" : {
            "name" : "Open Source OpenVPN 2.7.2",
            "product_id" : "T053305-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openvpn:openvpn:2.7.2"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<2.6.20",
          "product" : {
            "name" : "Open Source OpenVPN <2.6.20",
            "product_id" : "T053306"
          }
        }, {
          "category" : "product_version",
          "name" : "2.6.20",
          "product" : {
            "name" : "Open Source OpenVPN 2.6.20",
            "product_id" : "T053306-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openvpn:openvpn:2.6.20"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "OpenVPN"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Ubuntu Linux",
        "product" : {
          "name" : "Ubuntu Linux",
          "product_id" : "T000126",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:canonical:ubuntu_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Ubuntu"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-35058",
    "product_status" : {
      "known_affected" : [ "2951", "T000126", "T053305", "T053306", "74185" ]
    },
    "release_date" : "2026-04-23T22:00:00.000+00:00",
    "title" : "CVE-2026-35058"
  }, {
    "cve" : "CVE-2026-40215",
    "product_status" : {
      "known_affected" : [ "2951", "T000126", "T053305", "T053306", "74185" ]
    },
    "release_date" : "2026-04-23T22:00:00.000+00:00",
    "title" : "CVE-2026-40215"
  } ]
}