{
  "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.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, darunter möglicherweise die Ausführung von Code, die Umgehung von Sicherheitsmaßnahmen, die Offenlegung oder Manipulation von Daten oder die Herbeiführung von Denial-of-Service-Zuständen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- 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-2026-1503 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1503.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1503 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1503"
    }, {
      "category" : "external",
      "summary" : "Mozilla Security Advisory mfsa2026-45 vom 2026-05-12",
      "url" : "https://www.mozilla.org/en-US/security/advisories/mfsa2026-45/"
    }, {
      "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"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2026:2039-1 vom 2026-05-21",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026240.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Mozilla Firefox: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-05-21T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-05-22T07:22:31.656+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1503",
      "initial_release_date" : "2026-05-12T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-05-12T22:00:00.000+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"
      }, {
        "date" : "2026-05-21T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "3"
    }
  },
  "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" : "<150.0.3",
          "product" : {
            "name" : "Mozilla Firefox <150.0.3",
            "product_id" : "T053949"
          }
        }, {
          "category" : "product_version",
          "name" : "150.0.3",
          "product" : {
            "name" : "Mozilla Firefox 150.0.3",
            "product_id" : "T053949-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:mozilla:firefox:150.0.3"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Firefox"
      } ],
      "category" : "vendor",
      "name" : "Mozilla"
    }, {
      "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"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-8388",
    "product_status" : {
      "known_affected" : [ "T053949", "2951", "T002207", "T027843" ]
    },
    "release_date" : "2026-05-12T22:00:00.000+00:00",
    "title" : "CVE-2026-8388"
  }, {
    "cve" : "CVE-2026-8389",
    "product_status" : {
      "known_affected" : [ "T053949", "2951", "T002207", "T027843" ]
    },
    "release_date" : "2026-05-12T22:00:00.000+00:00",
    "title" : "CVE-2026-8389"
  }, {
    "cve" : "CVE-2026-8390",
    "product_status" : {
      "known_affected" : [ "T053949", "2951", "T002207", "T027843" ]
    },
    "release_date" : "2026-05-12T22:00:00.000+00:00",
    "title" : "CVE-2026-8390"
  }, {
    "cve" : "CVE-2026-8391",
    "product_status" : {
      "known_affected" : [ "T053949", "2951", "T002207", "T027843" ]
    },
    "release_date" : "2026-05-12T22:00:00.000+00:00",
    "title" : "CVE-2026-8391"
  }, {
    "cve" : "CVE-2026-8401",
    "product_status" : {
      "known_affected" : [ "T053949", "2951", "T002207", "T027843" ]
    },
    "release_date" : "2026-05-12T22:00:00.000+00:00",
    "title" : "CVE-2026-8401"
  } ]
}