{
  "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" : "Firefox ist ein Open Source Web Browser. \r\nESR ist die Variante mit verlängertem Support.\r\nThunderbird ist ein Open Source E-Mail Client.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, um Informationen offenzulegen, Sicherheitsbeschränkungen zu umgehen (z. B. Sandbox-Escape), den Benutzer zu täuschen, Berechtigungen zu eskalieren oder einen Denial-of-Service-Zustand herbeizuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Android\n- iPhoneOS\n- Linux\n- MacOS X\n- Windows",
      "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-2026-1606 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1606.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1606 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1606"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory mfsa2026-46 vom 2026-05-19",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-46/"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory mfsa2026-47 vom 2026-05-19",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-47/"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory mfsa2026-48 vom 2026-05-19",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-48/"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory mfsa2026-49 vom 2026-05-19",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-49/"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory mfsa2026-50 vom 2026-05-19",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-50/"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory mfsa2026-51 vom 2026-05-19",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-51/"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:10813-1 vom 2026-05-20",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/N4PBMNGPCFVXRJKTYWURGMAHKO2FKQDE/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4592 vom 2026-05-20",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/05/msg00037.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6283 vom 2026-05-20",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00194.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Mozilla Firefox und Thunderbird: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-05-20T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-05-21T07:35:42.012+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1606",
      "initial_release_date" : "2026-05-19T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-05-19T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-05-20T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von openSUSE und Debian aufgenommen"
      } ],
      "status" : "final",
      "version" : "2"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Debian Linux",
        "product" : {
          "name" : "Debian Linux",
          "product_id" : "2951",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:debian:debian_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<151",
          "product" : {
            "name" : "Mozilla Firefox <151",
            "product_id" : "T054362"
          }
        }, {
          "category" : "product_version",
          "name" : "151",
          "product" : {
            "name" : "Mozilla Firefox 151",
            "product_id" : "T054362-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:firefox:151"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Firefox"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<115.36",
          "product" : {
            "name" : "Mozilla Firefox ESR <115.36",
            "product_id" : "T054363"
          }
        }, {
          "category" : "product_version",
          "name" : "115.36",
          "product" : {
            "name" : "Mozilla Firefox ESR 115.36",
            "product_id" : "T054363-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:firefox_esr:115.36"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<140.11",
          "product" : {
            "name" : "Mozilla Firefox ESR <140.11",
            "product_id" : "T054364"
          }
        }, {
          "category" : "product_version",
          "name" : "140.11",
          "product" : {
            "name" : "Mozilla Firefox ESR 140.11",
            "product_id" : "T054364-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:firefox_esr:140.11"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Firefox ESR"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<151",
          "product" : {
            "name" : "Mozilla Thunderbird <151",
            "product_id" : "T054365"
          }
        }, {
          "category" : "product_version",
          "name" : "151",
          "product" : {
            "name" : "Mozilla Thunderbird 151",
            "product_id" : "T054365-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:thunderbird:151"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<140.11",
          "product" : {
            "name" : "Mozilla Thunderbird <140.11",
            "product_id" : "T054366"
          }
        }, {
          "category" : "product_version",
          "name" : "140.11",
          "product" : {
            "name" : "Mozilla Thunderbird 140.11",
            "product_id" : "T054366-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:thunderbird:140.11"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Thunderbird"
      } ],
      "category" : "vendor",
      "name" : "Mozilla"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE openSUSE",
        "product" : {
          "name" : "SUSE openSUSE",
          "product_id" : "T027843",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:opensuse:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-8388",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8388"
  }, {
    "cve" : "CVE-2026-8391",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8391"
  }, {
    "cve" : "CVE-2026-8401",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8401"
  }, {
    "cve" : "CVE-2026-8706",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8706"
  }, {
    "cve" : "CVE-2026-8945",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8945"
  }, {
    "cve" : "CVE-2026-8946",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8946"
  }, {
    "cve" : "CVE-2026-8947",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8947"
  }, {
    "cve" : "CVE-2026-8948",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8948"
  }, {
    "cve" : "CVE-2026-8949",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8949"
  }, {
    "cve" : "CVE-2026-8950",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8950"
  }, {
    "cve" : "CVE-2026-8951",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8951"
  }, {
    "cve" : "CVE-2026-8952",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8952"
  }, {
    "cve" : "CVE-2026-8953",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8953"
  }, {
    "cve" : "CVE-2026-8954",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8954"
  }, {
    "cve" : "CVE-2026-8955",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8955"
  }, {
    "cve" : "CVE-2026-8956",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8956"
  }, {
    "cve" : "CVE-2026-8957",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8957"
  }, {
    "cve" : "CVE-2026-8958",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8958"
  }, {
    "cve" : "CVE-2026-8959",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8959"
  }, {
    "cve" : "CVE-2026-8960",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8960"
  }, {
    "cve" : "CVE-2026-8961",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8961"
  }, {
    "cve" : "CVE-2026-8962",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8962"
  }, {
    "cve" : "CVE-2026-8963",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8963"
  }, {
    "cve" : "CVE-2026-8964",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8964"
  }, {
    "cve" : "CVE-2026-8965",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8965"
  }, {
    "cve" : "CVE-2026-8966",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8966"
  }, {
    "cve" : "CVE-2026-8967",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8967"
  }, {
    "cve" : "CVE-2026-8968",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8968"
  }, {
    "cve" : "CVE-2026-8969",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8969"
  }, {
    "cve" : "CVE-2026-8970",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8970"
  }, {
    "cve" : "CVE-2026-8971",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8971"
  }, {
    "cve" : "CVE-2026-8972",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8972"
  }, {
    "cve" : "CVE-2026-8973",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8973"
  }, {
    "cve" : "CVE-2026-8974",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8974"
  }, {
    "cve" : "CVE-2026-8975",
    "product_status" : {
      "known_affected" : [ "T054365", "T054364", "T054363", "T054362", "2951", "T027843", "T054366" ]
    },
    "release_date" : "2026-05-19T22:00:00.000+00:00",
    "title" : "CVE-2026-8975"
  } ]
}