{
  "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 f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "nghttp2 ist eine Implementierung von HTTP/2 und dessen Header-Kompressionsalgorithmus HPACK in C.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in nghttp2 ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-0775 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0775.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0775 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0775"
      },
      {
        "category": "external",
        "summary": "nghttp2 GitHub Security Advisory GHSA-6933-cjhr-5qg6 vom 2026-03-17",
        "url": "https://github.com/nghttp2/nghttp2/security/advisories/GHSA-6933-cjhr-5qg6"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:1074-1 vom 2026-03-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024959.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:1056-1 vom 2026-03-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024951.html"
      }
    ],
    "source_lang": "en-US",
    "title": "nghttp2: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2026-03-26T23:00:00.000+00:00",
      "generator": {
        "date": "2026-03-27T09:01:46.980+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0775",
      "initial_release_date": "2026-03-17T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-03-17T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-03-18T23:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-12919"
        },
        {
          "date": "2026-03-26T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.68.1",
                "product": {
                  "name": "Open Source nghttp2 \u003c1.68.1",
                  "product_id": "T051878"
                }
              },
              {
                "category": "product_version",
                "name": "1.68.1",
                "product": {
                  "name": "Open Source nghttp2 1.68.1",
                  "product_id": "T051878-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:nghttp2:nghttp2:1.68.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "nghttp2"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-27135",
      "product_status": {
        "known_affected": [
          "T002207",
          "T051878"
        ]
      },
      "release_date": "2026-03-17T23:00:00.000+00:00",
      "title": "CVE-2026-27135"
    }
  ]
}