{
  "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" : "OpenSSH ist eine Open Source Implementierung des Secure Shell Protokolls.\r\nUbuntu Linux ist die Linux Distribution des Herstellers Canonical.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenSSH GSSAPI und Ubuntu Linux ausnutzen, um ein undefiniertes Fehlverhalten oder einen potenziellen Denial-of-Service-Angriff 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-2026-0716 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0716.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0716 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0716"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-WCPP-3X59-H8VP vom 2026-03-12",
      "url" : "https://github.com/advisories/GHSA-WCPP-3X59-H8VP"
    }, {
      "category" : "external",
      "summary" : "Mailing List OSS-Security vom 2026-03-12",
      "url" : "https://seclists.org/oss-sec/2026/q1/299"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8090-1 vom 2026-03-12",
      "url" : "https://ubuntu.com/security/notices/USN-8090-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8090-2 vom 2026-03-12",
      "url" : "https://ubuntu.com/security/notices/USN-8090-2"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-BAB4AA5DA7 vom 2026-03-18",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-bab4aa5da7"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-39819A3D62 vom 2026-03-18",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-39819a3d62"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2026-62FB46CAAC vom 2026-03-18",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2026-62fb46caac"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-6462 vom 2026-04-03",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-6462.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-6461 vom 2026-04-03",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-6461.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-6463 vom 2026-04-02",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-6463.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:6463 vom 2026-04-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:6463"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:6462 vom 2026-04-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:6462"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:6461 vom 2026-04-02",
      "url" : "https://access.redhat.com/errata/RHSA-2026:6461"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:6461 vom 2026-04-09",
      "url" : "https://errata.build.resf.org/RLSA-2026:6461"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:7107 vom 2026-04-08",
      "url" : "https://access.redhat.com/errata/RHSA-2026:7107"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6204 vom 2026-04-09",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00114.html"
    } ],
    "source_lang" : "en-US",
    "title" : "OpenSSH GSSAPI delta: Schwachstelle ermöglicht nicht spezifizierten Angriff",
    "tracking" : {
      "current_release_date" : "2026-04-09T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-04-10T07:16:55.297+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0716",
      "initial_release_date" : "2026-03-12T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-03-12T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-03-17T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2026-04-06T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Oracle Linux und Red Hat aufgenommen"
      }, {
        "date" : "2026-04-08T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Rocky Enterprise Software Foundation und Red Hat aufgenommen"
      }, {
        "date" : "2026-04-09T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Debian aufgenommen"
      } ],
      "status" : "final",
      "version" : "5"
    }
  },
  "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",
          "name" : "GSSAPI delta Linux distributions",
          "product" : {
            "name" : "Open Source OpenSSH GSSAPI delta Linux distributions",
            "product_id" : "T051698",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:openbsd:openssh:gssapi_delta_linux_distributions"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "OpenSSH"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Oracle Linux",
        "product" : {
          "name" : "Oracle Linux",
          "product_id" : "T004914",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:oracle:linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Oracle"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "RESF Rocky Linux",
        "product" : {
          "name" : "RESF Rocky Linux",
          "product_id" : "T032255",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:resf:rocky_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "RESF"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Red Hat Enterprise Linux",
        "product" : {
          "name" : "Red Hat Enterprise Linux",
          "product_id" : "67646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:redhat:enterprise_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Ubuntu Linux",
        "product" : {
          "name" : "Ubuntu Linux",
          "product_id" : "T051700",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:canonical:ubuntu_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Ubuntu"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-3497",
    "product_status" : {
      "known_affected" : [ "2951", "67646", "T051700", "T051698", "T004914", "T032255", "74185" ]
    },
    "release_date" : "2026-03-12T23:00:00.000+00:00",
    "title" : "CVE-2026-3497"
  } ]
}