{
  "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" : "Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux (python-idna) ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "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-2026-2797 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2797.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2797 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2797"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:54290 vom 2026-08-11",
      "url" : "https://access.redhat.com/errata/RHSA-2026:54290"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:54484 vom 2026-08-13",
      "url" : "https://access.redhat.com/errata/RHSA-2026:54484"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:54481 vom 2026-08-13",
      "url" : "https://access.redhat.com/errata/RHSA-2026:54481"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:54290 vom 2026-08-13",
      "url" : "https://errata.build.resf.org/RLSA-2026:54290"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-54290 vom 2026-08-13",
      "url" : "http://linux.oracle.com/errata/ELSA-2026-54290.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-54481 vom 2026-08-14",
      "url" : "http://linux.oracle.com/errata/ELSA-2026-54481.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:54484 vom 2026-08-13",
      "url" : "https://errata.build.resf.org/RLSA-2026:54484"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:54481 vom 2026-08-13",
      "url" : "https://errata.build.resf.org/RLSA-2026:54481"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-54484 vom 2026-08-15",
      "url" : "https://oss.oracle.com/pipermail/el-errata/2026-August/021601.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:56431 vom 2026-08-19",
      "url" : "https://access.redhat.com/errata/RHSA-2026:56431"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:61783 vom 2026-09-01",
      "url" : "https://access.redhat.com/errata/RHSA-2026:61783"
    }, {
      "category" : "external",
      "summary" : "Dell Security Advisory DSA-2026-385 vom 2026-08-31",
      "url" : "https://www.dell.com/support/kbdoc/de-de/000503592/dsa-2026-385-security-update-for-dell-secure-connect-gateway-policy-manager-multiple-vulnerabilities"
    } ],
    "source_lang" : "en-US",
    "title" : "Red Hat Enterprise Linux (python-idna): Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-08-31T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-09-01T08:07:04.988+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2797",
      "initial_release_date" : "2026-08-11T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-08-11T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-08-12T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Red Hat und Rocky Enterprise Software Foundation aufgenommen"
      }, {
        "date" : "2026-08-13T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Oracle Linux und Rocky Enterprise Software Foundation aufgenommen"
      }, {
        "date" : "2026-08-16T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2026-08-18T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-08-31T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Red Hat und Dell aufgenommen"
      } ],
      "status" : "final",
      "version" : "6"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<5.36.00.16",
          "product" : {
            "name" : "Dell Secure Connect Gateway <5.36.00.16",
            "product_id" : "T058878"
          }
        }, {
          "category" : "product_version",
          "name" : "5.36.00.16",
          "product" : {
            "name" : "Dell Secure Connect Gateway 5.36.00.16",
            "product_id" : "T058878-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:dell:secure_connect_gateway:5.36.00.16"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Secure Connect Gateway"
      } ],
      "category" : "vendor",
      "name" : "Dell"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Oracle Linux",
        "product" : {
          "name" : "Oracle Linux",
          "product_id" : "T056236",
          "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" : "T054581",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:resf:rocky_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "RESF"
    }, {
      "branches" : [ {
        "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" : "product_version",
          "name" : "8",
          "product" : {
            "name" : "Red Hat Enterprise Linux 8",
            "product_id" : "T058023",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:redhat:enterprise_linux:8"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Enterprise Linux"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "Data Foundation",
          "product" : {
            "name" : "Red Hat OpenShift Data Foundation",
            "product_id" : "T058296",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:redhat:openshift:data_foundation"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "OpenShift"
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-45409",
    "product_status" : {
      "known_affected" : [ "T056236", "T058878", "T054581", "67646", "T058296", "T058023" ]
    },
    "release_date" : "2026-08-11T22:00:00.000+00:00",
    "title" : "CVE-2026-45409"
  } ]
}