WID-SEC-W-2026-1503

Vulnerability from csaf_certbund - Published: 2026-05-12 22:00 - Updated: 2026-06-16 22:00
Summary
Mozilla 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: Firefox ist ein Open Source Web Browser.
Angriff: 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.
Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows
CVE-2026-8388
Affected products
Product Identifier Version Remediation
Mozilla Firefox <150.0.3
Mozilla / Firefox
 <150.0.3
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
IGEL OS
IGEL
 cpe:/o:igel:os:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Oracle Linux
Oracle
 cpe:/o:oracle:linux:- —
RESF Rocky Linux
RESF
 cpe:/o:resf:rocky_linux:- —
CVE-2026-8389
Affected products
Known affected 8 products, the same list as for CVE-2026-8388
CVE-2026-8390
Affected products
Known affected 8 products, the same list as for CVE-2026-8388
CVE-2026-8391
Affected products
Known affected 8 products, the same list as for CVE-2026-8388
CVE-2026-8401
Affected products
Known affected 8 products, the same list as for CVE-2026-8388
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": "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 n\u00e4her spezifizierte Angriffe durchzuf\u00fchren, darunter m\u00f6glicherweise die Ausf\u00fchrung von Code, die Umgehung von Sicherheitsma\u00dfnahmen, die Offenlegung oder Manipulation von Daten oder die Herbeif\u00fchrung von Denial-of-Service-Zust\u00e4nden.",
        "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 f\u00fcr 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"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:20789-1 vom 2026-05-25",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/2XKHQFOHFVU7FRH6PM55T4P7D5OPT6NZ/"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:21378 vom 2026-05-27",
        "url": "https://access.redhat.com/errata/RHSA-2026:21378"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:21380 vom 2026-05-27",
        "url": "https://access.redhat.com/errata/RHSA-2026:21380"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21828-1 vom 2026-05-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026321.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:21382 vom 2026-05-27",
        "url": "https://access.redhat.com/errata/RHSA-2026:21382"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:21382 vom 2026-05-29",
        "url": "https://errata.build.resf.org/RLSA-2026:21382"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-21382 vom 2026-05-28",
        "url": "https://linux.oracle.com/errata/ELSA-2026-21382.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:2109-1 vom 2026-05-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026378.html"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:21378 vom 2026-05-30",
        "url": "https://errata.build.resf.org/RLSA-2026:21378"
      },
      {
        "category": "external",
        "summary": "IGEL Security Notice ISN-2026-22 vom 2026-06-02",
        "url": "https://kb.igel.com/en/security-safety/current/isn-2026-22-firefox-esr-vulnerabilities"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-22643 vom 2026-06-04",
        "url": "http://linux.oracle.com/errata/ELSA-2026-22643.html"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:21380 vom 2026-06-04",
        "url": "https://errata.build.resf.org/RLSA-2026:21380"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:26492 vom 2026-06-17",
        "url": "https://access.redhat.com/errata/RHSA-2026:26492"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:26493 vom 2026-06-17",
        "url": "https://access.redhat.com/errata/RHSA-2026:26493"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:26491 vom 2026-06-17",
        "url": "https://access.redhat.com/errata/RHSA-2026:26491"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:26551 vom 2026-06-17",
        "url": "https://access.redhat.com/errata/RHSA-2026:26551"
      }
    ],
    "source_lang": "en-US",
    "title": "Mozilla Firefox: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-06-16T22:00:00.000+00:00",
      "generator": {
        "date": "2026-06-17T11:14:54.528+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"
        },
        {
          "date": "2026-05-25T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von openSUSE aufgenommen"
        },
        {
          "date": "2026-05-27T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat und SUSE aufgenommen"
        },
        {
          "date": "2026-05-28T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Rocky Enterprise Software Foundation und Oracle Linux aufgenommen"
        },
        {
          "date": "2026-05-31T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE und Rocky Enterprise Software Foundation aufgenommen"
        },
        {
          "date": "2026-06-02T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von IGEL aufgenommen"
        },
        {
          "date": "2026-06-04T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Oracle Linux und Rocky Enterprise Software Foundation aufgenommen"
        },
        {
          "date": "2026-06-16T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "10"
    }
  },
  "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": [
          {
            "category": "product_name",
            "name": "IGEL OS",
            "product": {
              "name": "IGEL OS",
              "product_id": "T017865",
              "product_identification_helper": {
                "cpe": "cpe:/o:igel:os:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "IGEL"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c150.0.3",
                "product": {
                  "name": "Mozilla Firefox \u003c150.0.3",
                  "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": "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"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-8388",
      "product_status": {
        "known_affected": [
          "T053949",
          "2951",
          "T002207",
          "67646",
          "T017865",
          "T027843",
          "T004914",
          "T032255"
        ]
      },
      "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",
          "67646",
          "T017865",
          "T027843",
          "T004914",
          "T032255"
        ]
      },
      "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",
          "67646",
          "T017865",
          "T027843",
          "T004914",
          "T032255"
        ]
      },
      "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",
          "67646",
          "T017865",
          "T027843",
          "T004914",
          "T032255"
        ]
      },
      "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",
          "67646",
          "T017865",
          "T027843",
          "T004914",
          "T032255"
        ]
      },
      "release_date": "2026-05-12T22:00:00.000+00:00",
      "title": "CVE-2026-8401"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.