{
  "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" : "Asterisk ist eine komplette Open Source Multiprotokoll Telefonanlage (PBX) auf Softwarebasis.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Asterisk ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "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-2026-4176 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4176.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-4176 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4176"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-g8q2-p36q-94f6 vom 2026-10-26",
      "url" : "https://github.com/asterisk/asterisk/security/advisories/GHSA-g8q2-p36q-94f6"
    } ],
    "source_lang" : "en-US",
    "title" : "Asterisk: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-10-26T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-10-27T12:51:34.258+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.7.0"
        }
      },
      "id" : "WID-SEC-W-2026-4176",
      "initial_release_date" : "2026-10-26T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-10-26T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<20.20.1",
          "product" : {
            "name" : "Open Source Asterisk <20.20.1",
            "product_id" : "T055850"
          }
        }, {
          "category" : "product_version",
          "name" : "20.20.1",
          "product" : {
            "name" : "Open Source Asterisk 20.20.1",
            "product_id" : "T055850-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:digium:asterisk:20.20.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<21.12.3",
          "product" : {
            "name" : "Open Source Asterisk <21.12.3",
            "product_id" : "T061891"
          }
        }, {
          "category" : "product_version",
          "name" : "21.12.3",
          "product" : {
            "name" : "Open Source Asterisk 21.12.3",
            "product_id" : "T061891-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:digium:asterisk:20.20.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<22.10.1",
          "product" : {
            "name" : "Open Source Asterisk <22.10.1",
            "product_id" : "T061892"
          }
        }, {
          "category" : "product_version",
          "name" : "22.10.1",
          "product" : {
            "name" : "Open Source Asterisk 22.10.1",
            "product_id" : "T061892-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:digium:asterisk:22.10.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<23.4.1",
          "product" : {
            "name" : "Open Source Asterisk <23.4.1",
            "product_id" : "T061893"
          }
        }, {
          "category" : "product_version",
          "name" : "23.4.1",
          "product" : {
            "name" : "Open Source Asterisk 23.4.1",
            "product_id" : "T061893-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:digium:asterisk:23.4.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<20.7-cert11",
          "product" : {
            "name" : "Open Source Asterisk <20.7-cert11",
            "product_id" : "T061894"
          }
        }, {
          "category" : "product_version",
          "name" : "20.7-cert11",
          "product" : {
            "name" : "Open Source Asterisk 20.7-cert11",
            "product_id" : "T061894-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:digium:asterisk:20.7-cert11"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<22.8-cert3",
          "product" : {
            "name" : "Open Source Asterisk <22.8-cert3",
            "product_id" : "T061895"
          }
        }, {
          "category" : "product_version",
          "name" : "22.8-cert3",
          "product" : {
            "name" : "Open Source Asterisk 22.8-cert3",
            "product_id" : "T061895-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:digium:asterisk:22.8-cert3"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Asterisk"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-57187",
    "product_status" : {
      "known_affected" : [ "T055850", "T061894", "T061895", "T061891", "T061892", "T061893" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-57187"
  } ]
}