WID-SEC-W-2026-4064

Vulnerability from csaf_certbund - Published: 2026-10-20 22:00 - Updated: 2026-10-25 23:00
Summary
Mozilla Produkte (Thunderbird, Firefox ESR und Firefox): Mehrere Schwachstellen
Severity
Hoch
Notes
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.
Produktbeschreibung: Thunderbird ist ein Open Source E-Mail Client. Firefox ist ein Open Source Web Browser. ESR ist die Variante mit verlängertem Support. Firefox ist ein Open Source Web Browser.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Mozilla Thunderbird, Mozilla Firefox ESR und Mozilla Firefox ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen und um Daten zu manipulieren.
Betroffene Betriebssysteme: - Linux - Sonstiges - UNIX - Windows
CVE-2026-113399
Affected products
Product Identifier Version Remediation
Oracle Linux
Oracle
 cpe:/o:oracle:linux:- —
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
Mozilla Firefox ESR <153.5.1
Mozilla / Firefox ESR
 <153.5.1
Mozilla Firefox <158.0.1
Mozilla / Firefox
 <158.0.1
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
Mozilla Firefox Android <158.0.2
Mozilla / Firefox
 Android <158.0.2
Mozilla Thunderbird <153.5.1
Mozilla / Thunderbird
 <153.5.1
Mozilla Thunderbird <158.0.1
Mozilla / Thunderbird
 <158.0.1
Mozilla Firefox ESR <115.43.1
Mozilla / Firefox ESR
 <115.43.1
CVE-2026-113400
Affected products
Known affected 9 products, the same list as for CVE-2026-113399
CVE-2026-113401
Affected products
Known affected 9 products, the same list as for CVE-2026-113399
CVE-2026-113470
Affected products
Known affected 9 products, the same list as for CVE-2026-113399
CVE-2026-113866
Affected products
Known affected 9 products, the same list as for CVE-2026-113399
CVE-2026-113867
Affected products
Known affected 9 products, the same list as for CVE-2026-113399
CVE-2026-113868
Affected products
Known affected 9 products, the same list as for CVE-2026-113399
CVE-2026-113869
Affected products
Known affected 9 products, the same list as for CVE-2026-113399
References
To clipboard 

{
  "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 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": "Thunderbird ist ein Open Source E-Mail Client.\r\nFirefox ist ein Open Source Web Browser. \r\nESR ist die Variante mit verl\u00e4ngertem Support.\r\nFirefox ist ein Open Source Web Browser.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Mozilla Thunderbird, Mozilla Firefox ESR und Mozilla Firefox ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuf\u00fchren, um Informationen offenzulegen und um Daten zu manipulieren.",
        "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-2026-4064 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4064.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-4064 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4064"
      },
      {
        "category": "external",
        "summary": "Mozilla Security Advisory mfsa2026-111 vom 2026-10-20",
        "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-111/"
      },
      {
        "category": "external",
        "summary": "Mozilla Security Advisory mfsa2026-112 vom 2026-10-20",
        "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-112/"
      },
      {
        "category": "external",
        "summary": "Mozilla Security Advisory mfsa2026-113 vom 2026-10-20",
        "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-113/"
      },
      {
        "category": "external",
        "summary": "Mozilla Security Advisory mfsa2026-114 vom 2026-10-20",
        "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-114/"
      },
      {
        "category": "external",
        "summary": "Mozilla Security Advisory mfsa2026-115 vom 2026-10-20",
        "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-115/"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-6573 vom 2026-10-21",
        "url": "https://security-tracker.debian.org/tracker/DSA-6573-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-500450 vom 2026-10-21",
        "url": "http://linux.oracle.com/errata/ELSA-2026-500450.html"
      },
      {
        "category": "external",
        "summary": "Mozilla Security Advisory MFSA2026-116 vom 2026-10-21",
        "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-116/"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-500449 vom 2026-10-21",
        "url": "http://linux.oracle.com/errata/ELSA-2026-500449.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-4847 vom 2026-10-21",
        "url": "https://lists.debian.org/debian-lts-announce/2026/10/msg00041.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-500451 vom 2026-10-21",
        "url": "http://linux.oracle.com/errata/ELSA-2026-500451.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-500496 vom 2026-10-23",
        "url": "https://linux.oracle.com/errata/ELSA-2026-500496.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2026-4037 vom 2026-10-25",
        "url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-4037.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2FIREFOX-2026-068 vom 2026-10-25",
        "url": "https://alas.aws.amazon.com/AL2/ALAS2FIREFOX-2026-068.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Mozilla Produkte (Thunderbird, Firefox ESR und Firefox): Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-10-25T23:00:00.000+00:00",
      "generator": {
        "date": "2026-10-26T07:19:19.868+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-4064",
      "initial_release_date": "2026-10-20T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-10-20T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-10-21T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian, Oracle Linux und Mozilla aufgenommen"
        },
        {
          "date": "2026-10-22T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2026-10-25T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "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": "\u003c158.0.1",
                "product": {
                  "name": "Mozilla Firefox \u003c158.0.1",
                  "product_id": "T061576"
                }
              },
              {
                "category": "product_version",
                "name": "158.0.1",
                "product": {
                  "name": "Mozilla Firefox 158.0.1",
                  "product_id": "T061576-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mozilla:firefox:158.0.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "Android \u003c158.0.2",
                "product": {
                  "name": "Mozilla Firefox Android \u003c158.0.2",
                  "product_id": "T061687"
                }
              },
              {
                "category": "product_version",
                "name": "Android 158.0.2",
                "product": {
                  "name": "Mozilla Firefox Android 158.0.2",
                  "product_id": "T061687-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mozilla:firefox:android__158.0.2"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Firefox"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c115.43.1",
                "product": {
                  "name": "Mozilla Firefox ESR \u003c115.43.1",
                  "product_id": "T061574"
                }
              },
              {
                "category": "product_version",
                "name": "115.43.1",
                "product": {
                  "name": "Mozilla Firefox ESR 115.43.1",
                  "product_id": "T061574-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mozilla:firefox_esr:115.43.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c153.5.1",
                "product": {
                  "name": "Mozilla Firefox ESR \u003c153.5.1",
                  "product_id": "T061575"
                }
              },
              {
                "category": "product_version",
                "name": "153.5.1",
                "product": {
                  "name": "Mozilla Firefox ESR 153.5.1",
                  "product_id": "T061575-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mozilla:firefox_esr:153.5.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Firefox ESR"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c153.5.1",
                "product": {
                  "name": "Mozilla Thunderbird \u003c153.5.1",
                  "product_id": "T061572"
                }
              },
              {
                "category": "product_version",
                "name": "153.5.1",
                "product": {
                  "name": "Mozilla Thunderbird 153.5.1",
                  "product_id": "T061572-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mozilla:thunderbird:153.5.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c158.0.1",
                "product": {
                  "name": "Mozilla Thunderbird \u003c158.0.1",
                  "product_id": "T061573"
                }
              },
              {
                "category": "product_version",
                "name": "158.0.1",
                "product": {
                  "name": "Mozilla Thunderbird 158.0.1",
                  "product_id": "T061573-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mozilla:thunderbird:158.0.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Thunderbird"
          }
        ],
        "category": "vendor",
        "name": "Mozilla"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T056236",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-113399",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T061575",
          "T061576",
          "398363",
          "T061687",
          "T061572",
          "T061573",
          "T061574"
        ]
      },
      "release_date": "2026-10-20T22:00:00.000+00:00",
      "title": "CVE-2026-113399"
    },
    {
      "cve": "CVE-2026-113400",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T061575",
          "T061576",
          "398363",
          "T061687",
          "T061572",
          "T061573",
          "T061574"
        ]
      },
      "release_date": "2026-10-20T22:00:00.000+00:00",
      "title": "CVE-2026-113400"
    },
    {
      "cve": "CVE-2026-113401",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T061575",
          "T061576",
          "398363",
          "T061687",
          "T061572",
          "T061573",
          "T061574"
        ]
      },
      "release_date": "2026-10-20T22:00:00.000+00:00",
      "title": "CVE-2026-113401"
    },
    {
      "cve": "CVE-2026-113470",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T061575",
          "T061576",
          "398363",
          "T061687",
          "T061572",
          "T061573",
          "T061574"
        ]
      },
      "release_date": "2026-10-20T22:00:00.000+00:00",
      "title": "CVE-2026-113470"
    },
    {
      "cve": "CVE-2026-113866",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T061575",
          "T061576",
          "398363",
          "T061687",
          "T061572",
          "T061573",
          "T061574"
        ]
      },
      "release_date": "2026-10-20T22:00:00.000+00:00",
      "title": "CVE-2026-113866"
    },
    {
      "cve": "CVE-2026-113867",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T061575",
          "T061576",
          "398363",
          "T061687",
          "T061572",
          "T061573",
          "T061574"
        ]
      },
      "release_date": "2026-10-20T22:00:00.000+00:00",
      "title": "CVE-2026-113867"
    },
    {
      "cve": "CVE-2026-113868",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T061575",
          "T061576",
          "398363",
          "T061687",
          "T061572",
          "T061573",
          "T061574"
        ]
      },
      "release_date": "2026-10-20T22:00:00.000+00:00",
      "title": "CVE-2026-113868"
    },
    {
      "cve": "CVE-2026-113869",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T061575",
          "T061576",
          "398363",
          "T061687",
          "T061572",
          "T061573",
          "T061574"
        ]
      },
      "release_date": "2026-10-20T22:00:00.000+00:00",
      "title": "CVE-2026-113869"
    }
  ]
}



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