{
  "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 falsche Informationen darzustellen oder nicht näher spezifizierte Auswirkungen zu verursachen",
      "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 für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2026-0427 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0427.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0427 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0427"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory vom 2026-02-16",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-09/"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory vom 2026-02-16",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-10/"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory vom 2026-02-16",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-11/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-6143 vom 2026-02-19",
      "url" : "https://lists.debian.org/debian-security-announce/2026/msg00052.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-8053-1 vom 2026-02-19",
      "url" : "https://ubuntu.com/security/notices/USN-8053-1"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:10218-1 vom 2026-02-19",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/MMSYOCXCDROVZUUKNWXZTMOTNREXXVCT/"
    }, {
      "category" : "external",
      "summary" : "openSUSE Security Update OPENSUSE-SU-2026:10225-1 vom 2026-02-20",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/GA3UFXPVPB6QUCFX5G6PZ2I63KN7DPF6/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-4489 vom 2026-02-22",
      "url" : "https://lists.debian.org/debian-lts-announce/2026/02/msg00028.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0602-1 vom 2026-02-24",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024374.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0611-1 vom 2026-02-25",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024386.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:3338 vom 2026-02-25",
      "url" : "https://access.redhat.com/errata/RHSA-2026:3338"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:3361 vom 2026-02-25",
      "url" : "https://access.redhat.com/errata/RHSA-2026:3361"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-3338 vom 2026-02-27",
      "url" : "http://linux.oracle.com/errata/ELSA-2026-3338.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-3339 vom 2026-02-27",
      "url" : "http://linux.oracle.com/errata/ELSA-2026-3339.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-3361 vom 2026-02-26",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-3361.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:3361 vom 2026-02-26",
      "url" : "https://errata.build.resf.org/RLSA-2026:3361"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:3339 vom 2026-02-26",
      "url" : "https://errata.build.resf.org/RLSA-2026:3339"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:3338 vom 2026-02-26",
      "url" : "https://errata.build.resf.org/RLSA-2026:3338"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:0692-1 vom 2026-02-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024503.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:3517 vom 2026-03-05",
      "url" : "https://errata.build.resf.org/RLSA-2026:3517"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2-2026-3190 vom 2026-03-06",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2-2026-3190.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS2FIREFOX-2026-053 vom 2026-03-06",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS2FIREFOX-2026-053.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:20582-1 vom 2026-03-05",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-March/024621.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:3967 vom 2026-03-09",
      "url" : "https://access.redhat.com/errata/RHSA-2026:3967"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:3978 vom 2026-03-09",
      "url" : "https://access.redhat.com/errata/RHSA-2026:3978"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:4022 vom 2026-03-09",
      "url" : "https://access.redhat.com/errata/RHSA-2026:4022"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-3967 vom 2026-03-10",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-3967.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:3967 vom 2026-03-10",
      "url" : "https://errata.build.resf.org/RLSA-2026:3967"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:4260 vom 2026-03-11",
      "url" : "https://access.redhat.com/errata/RHSA-2026:4260"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:4447 vom 2026-03-12",
      "url" : "https://access.redhat.com/errata/RHSA-2026:4447"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-4447 vom 2026-03-13",
      "url" : "http://linux.oracle.com/errata/ELSA-2026-4447.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:4447 vom 2026-03-13",
      "url" : "https://errata.build.resf.org/RLSA-2026:4447"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:4629 vom 2026-03-16",
      "url" : "https://access.redhat.com/errata/RHSA-2026:4629"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2026-4629 vom 2026-03-17",
      "url" : "https://linux.oracle.com/errata/ELSA-2026-4629.html"
    }, {
      "category" : "external",
      "summary" : "Rocky Linux Security Advisory RLSA-2026:4629 vom 2026-03-17",
      "url" : "https://errata.build.resf.org/RLSA-2026:4629"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5229 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5229"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5230 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5230"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5227 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5227"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5319 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5319"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5320 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5320"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5323 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5323"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5324 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5324"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5231 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5231"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2026:5326 vom 2026-03-23",
      "url" : "https://access.redhat.com/errata/RHSA-2026:5326"
    } ],
    "source_lang" : "en-US",
    "title" : "Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-03-22T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-03-23T10:21:41.391+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0427",
      "initial_release_date" : "2026-02-16T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-02-16T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2026-02-19T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Debian, Ubuntu und openSUSE aufgenommen"
      }, {
        "date" : "2026-02-22T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von openSUSE und Debian aufgenommen"
      }, {
        "date" : "2026-02-24T23:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-02-25T23:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-02-26T23:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Oracle Linux und Rocky Enterprise Software Foundation aufgenommen"
      }, {
        "date" : "2026-03-01T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-03-04T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Rocky Enterprise Software Foundation aufgenommen"
      }, {
        "date" : "2026-03-05T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Amazon und SUSE aufgenommen"
      }, {
        "date" : "2026-03-08T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-03-09T23:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2026-03-10T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-03-12T23:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Red Hat und Oracle Linux aufgenommen"
      }, {
        "date" : "2026-03-16T23:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2026-03-22T23:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      } ],
      "status" : "final",
      "version" : "15"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Amazon Linux 2",
        "product" : {
          "name" : "Amazon Linux 2",
          "product_id" : "398363",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:amazon:linux_2:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Amazon"
    }, {
      "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" : "ios <147.2.1",
          "product" : {
            "name" : "Mozilla Firefox ios <147.2.1",
            "product_id" : "T050937"
          }
        }, {
          "category" : "product_version",
          "name" : "ios 147.2.1",
          "product" : {
            "name" : "Mozilla Firefox ios 147.2.1",
            "product_id" : "T050937-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:firefox:ios__147.2.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<147.0.4",
          "product" : {
            "name" : "Mozilla Firefox <147.0.4",
            "product_id" : "T050938"
          }
        }, {
          "category" : "product_version",
          "name" : "147.0.4",
          "product" : {
            "name" : "Mozilla Firefox 147.0.4",
            "product_id" : "T050938-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:firefox:147.0.4"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Firefox"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<115.32.1",
          "product" : {
            "name" : "Mozilla Firefox ESR <115.32.1",
            "product_id" : "T050939"
          }
        }, {
          "category" : "product_version",
          "name" : "115.32.1",
          "product" : {
            "name" : "Mozilla Firefox ESR 115.32.1",
            "product_id" : "T050939-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:firefox_esr:115.32.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<140.7.1",
          "product" : {
            "name" : "Mozilla Firefox ESR <140.7.1",
            "product_id" : "T050940"
          }
        }, {
          "category" : "product_version",
          "name" : "140.7.1",
          "product" : {
            "name" : "Mozilla Firefox ESR 140.7.1",
            "product_id" : "T050940-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:firefox_esr:140.7.1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Firefox ESR"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<140.7.2",
          "product" : {
            "name" : "Mozilla Thunderbird <140.7.2",
            "product_id" : "T050941"
          }
        }, {
          "category" : "product_version",
          "name" : "140.7.2",
          "product" : {
            "name" : "Mozilla Thunderbird 140.7.2",
            "product_id" : "T050941-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:thunderbird:140.7.2"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<147.0.2",
          "product" : {
            "name" : "Mozilla Thunderbird <147.0.2",
            "product_id" : "T050942"
          }
        }, {
          "category" : "product_version",
          "name" : "147.0.2",
          "product" : {
            "name" : "Mozilla Thunderbird 147.0.2",
            "product_id" : "T050942-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:thunderbird:147.0.2"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Thunderbird"
      } ],
      "category" : "vendor",
      "name" : "Mozilla"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Oracle Linux",
        "product" : {
          "name" : "Oracle Linux",
          "product_id" : "T004914",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:oracle:linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Oracle"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "RESF Rocky Linux",
        "product" : {
          "name" : "RESF Rocky Linux",
          "product_id" : "T032255",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:resf:rocky_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "RESF"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Red Hat Enterprise Linux",
        "product" : {
          "name" : "Red Hat Enterprise Linux",
          "product_id" : "67646",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:redhat:enterprise_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "SUSE Linux",
        "product" : {
          "name" : "SUSE Linux",
          "product_id" : "T002207",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:suse:suse_linux:-"
          }
        }
      }, {
        "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"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Ubuntu Linux",
        "product" : {
          "name" : "Ubuntu Linux",
          "product_id" : "T000126",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:canonical:ubuntu_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Ubuntu"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-2032",
    "product_status" : {
      "known_affected" : [ "T050937", "2951", "T002207", "67646", "T000126", "T027843", "398363", "T004914", "T032255" ]
    },
    "release_date" : "2026-02-16T23:00:00.000+00:00",
    "title" : "CVE-2026-2032"
  }, {
    "cve" : "CVE-2026-2447",
    "product_status" : {
      "known_affected" : [ "67646", "T050941", "T050940", "T004914", "T032255", "T050938", "2951", "T002207", "T050942", "T000126", "T027843", "398363", "T050939" ]
    },
    "release_date" : "2026-02-16T23:00:00.000+00:00",
    "title" : "CVE-2026-2447"
  } ]
}