{
  "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" : "Netty ist ein asynchrones, ereignisgesteuertes Netzwerk-Anwendungs-Framework für die schnelle Entwicklung von wartbaren, hochleistungsfähigen Protokollservern und -clients.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in Netty ausnutzen, um Sicherheitsprüfungen zu umgehen, Anfragen oder Header zu manipulieren, Zertifikatsprüfungen zu unterlaufen sowie einen Denial of Service zu verursachen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX",
      "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-2026-2356 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2356.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2356 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2356"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-4qhr-g3c6-fcfx vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-4qhr-g3c6-fcfx"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-272m-gcwp-mpwg vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-272m-gcwp-mpwg"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-3g8r-4pfx-jmfh vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-3g8r-4pfx-jmfh"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-4mp9-239f-g9hg vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-4mp9-239f-g9hg"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-q4f6-jm68-57ww vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-q4f6-jm68-57ww"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-c69g-56f8-xwqj vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-c69g-56f8-xwqj"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-558v-64gr-wgg4 vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-558v-64gr-wgg4"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-6jqx-86gh-f27w vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-6jqx-86gh-f27w"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-93wv-jw9v-4972 vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-93wv-jw9v-4972"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-g7hg-vrcf-mvmr vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-g7hg-vrcf-mvmr"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-gcjf-9mgh-3p7g vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-gcjf-9mgh-3p7g"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-hpcc-26xq-25fv vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-hpcc-26xq-25fv"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-jppx-w49h-x2qq vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-jppx-w49h-x2qq"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-mvh2-crg5-v77c vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-mvh2-crg5-v77c"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-q6cq-mhr2-jmr5 vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-q6cq-mhr2-jmr5"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-vhch-2wf3-m8rp vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-vhch-2wf3-m8rp"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-wc96-39fc-566f vom 2026-07-14",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-wc96-39fc-566f"
    } ],
    "source_lang" : "en-US",
    "title" : "Netty: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-07-20T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-07-21T06:43:20.404+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2356",
      "initial_release_date" : "2026-07-14T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-07-14T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-07-19T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Referenz(en) aufgenommen: EUVD-2026-45316"
      }, {
        "date" : "2026-07-20T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Referenz(en) aufgenommen: EUVD-2026-46133, EUVD-2026-46132"
      } ],
      "status" : "final",
      "version" : "3"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<4.2.16",
          "product" : {
            "name" : "Open Source Netty <4.2.16",
            "product_id" : "T056598"
          }
        }, {
          "category" : "product_version",
          "name" : "4.2.16",
          "product" : {
            "name" : "Open Source Netty 4.2.16",
            "product_id" : "T056598-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:netty:netty:4.2.16"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.1.136",
          "product" : {
            "name" : "Open Source Netty <4.1.136",
            "product_id" : "T056599"
          }
        }, {
          "category" : "product_version",
          "name" : "4.1.136",
          "product" : {
            "name" : "Open Source Netty 4.1.136",
            "product_id" : "T056599-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:netty:netty:4.1.136"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Netty"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-44891",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-44891"
  }, {
    "cve" : "CVE-2026-55831",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-55831"
  }, {
    "cve" : "CVE-2026-55833",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-55833"
  }, {
    "cve" : "CVE-2026-55851",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-55851"
  }, {
    "cve" : "CVE-2026-56745",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-56745"
  }, {
    "cve" : "CVE-2026-56816",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-56816"
  }, {
    "cve" : "CVE-2026-56817",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-56817"
  }, {
    "cve" : "CVE-2026-56819",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-56819"
  }, {
    "cve" : "CVE-2026-56820",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-56820"
  }, {
    "cve" : "CVE-2026-56821",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-56821"
  }, {
    "cve" : "CVE-2026-56822",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-56822"
  }, {
    "cve" : "CVE-2026-59898",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-59898"
  }, {
    "cve" : "CVE-2026-59899",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-59899"
  }, {
    "cve" : "CVE-2026-59900",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-59900"
  }, {
    "cve" : "CVE-2026-59901",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-59901"
  }, {
    "cve" : "CVE-2026-59920",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-59920"
  }, {
    "cve" : "CVE-2026-59921",
    "product_status" : {
      "known_affected" : [ "T056599", "T056598" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-59921"
  } ]
}