{
  "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 entfernter, anonymer Angreifer kann mehrere Schwachstellen in Netty ausnutzen, um Denial-of-Service-Zustände zu verursachen, Sicherheitsmaßnahmen zu umgehen, Request- oder Response-Smuggling durchzuführen sowie Daten offenzulegen oder zu manipulieren.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Sonstiges\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-2026-3291 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3291.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-3291 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3291"
    }, {
      "category" : "external",
      "summary" : "Netty Security Advisories vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-2g37-3h88-55hc vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-2g37-3h88-55hc"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-45h4-vhwh-fmhg vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-45h4-vhwh-fmhg"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-495p-pchh-r4mc vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-495p-pchh-r4mc"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-5vh9-c45f-rf7p vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-5vh9-c45f-rf7p"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-8352-h356-c9qh vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-8352-h356-c9qh"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-8whp-c7w8-2m72 vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-8whp-c7w8-2m72"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-cg2g-fxr4-mg8m vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-cg2g-fxr4-mg8m"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-f64r-x647-cg8w vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-f64r-x647-cg8w"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-ghg5-c4jg-8q5j vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-ghg5-c4jg-8q5j"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-h75q-xqrh-59rf vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-h75q-xqrh-59rf"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-hcvj-94mj-jp5c vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-hcvj-94mj-jp5c"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-hfr2-x62w-v49h vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-hfr2-x62w-v49h"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-hmf3-49g9-g7qq vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-hmf3-49g9-g7qq"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-j4mg-hqgv-34qc vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-j4mg-hqgv-34qc"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-j58c-g352-8h4p vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-j58c-g352-8h4p"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-jgph-cgq3-c627 vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-jgph-cgq3-c627"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-jhjp-5q4f-8wr2 vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-jhjp-5q4f-8wr2"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-jj3c-mwvr-9g52 vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-jj3c-mwvr-9g52"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-jqf3-r9ww-c5x8 vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-jqf3-r9ww-c5x8"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-mj35-3qqm-q387 vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-mj35-3qqm-q387"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-pq4x-537v-r54q vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-pq4x-537v-r54q"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-pvjx-v7vp-62vq vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-pvjx-v7vp-62vq"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-q9pg-8h3j-8hvm vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-q9pg-8h3j-8hvm"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-r4xx-7fpg-j8xg vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-r4xx-7fpg-j8xg"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-rmcw-9fcq-wjq7 vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-rmcw-9fcq-wjq7"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-rq4j-fc47-9698 vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-rq4j-fc47-9698"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-v5p2-hmgx-3xrx vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-v5p2-hmgx-3xrx"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-w6j8-x45j-w75f vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-w6j8-x45j-w75f"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-wxrh-4rgq-pjcg vom 2026-09-09",
      "url" : "https://github.com/netty/netty/security/advisories/GHSA-wxrh-4rgq-pjcg"
    } ],
    "source_lang" : "en-US",
    "title" : "Netty: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-09-10T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-09-11T09:13:18.473+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-3291",
      "initial_release_date" : "2026-09-09T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-09-09T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-09-10T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Referenz(en) aufgenommen: CVE-2026-89044, EUVD-2026-75633"
      } ],
      "status" : "final",
      "version" : "2"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<4.2.18.Final",
          "product" : {
            "name" : "Open Source Netty <4.2.18.Final",
            "product_id" : "T059338"
          }
        }, {
          "category" : "product_version",
          "name" : "4.2.18.Final",
          "product" : {
            "name" : "Open Source Netty 4.2.18.Final",
            "product_id" : "T059338-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:netty:netty:4.2.18.final"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<4.1.138.Final",
          "product" : {
            "name" : "Open Source Netty <4.1.138.Final",
            "product_id" : "T059339"
          }
        }, {
          "category" : "product_version",
          "name" : "4.1.138.Final",
          "product" : {
            "name" : "Open Source Netty 4.1.138.Final",
            "product_id" : "T059339-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:netty:netty:4.1.138.final"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Netty"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-89044",
    "product_status" : {
      "known_affected" : [ "T059339", "T059338" ]
    },
    "release_date" : "2026-09-09T22:00:00.000+00:00",
    "title" : "CVE-2026-89044"
  } ]
}