WID-SEC-W-2026-2940

Vulnerability from csaf_certbund - Published: 2026-08-19 22:00 - Updated: 2026-09-30 22:00
Summary
WebKitGTK: 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: WebKitGTK ist ein Webbrowser. Dieser nutzt die WebKit-Engine, die auch von Safari und vielen anderen Apps auf macOS, iOS und Linux verwendet wird.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in WebKitGTK ausnutzen, um Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder Denial-of-Service-Zustände herbeizuführen.
Betroffene Betriebssysteme: - Sonstiges - UNIX
CVE-2026-43804
Affected products
Product Identifier Version Remediation
Oracle Linux
Oracle
 cpe:/o:oracle:linux:- —
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
RESF Rocky Linux
RESF
 cpe:/o:resf:rocky_linux:- —
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Open Source WebKitGTK <2.52.6
Open Source / WebKitGTK
 <2.52.6
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
CVE-2026-64713
Affected products
Known affected 9 products, the same list as for CVE-2026-43804
CVE-2026-64719
Affected products
Known affected 9 products, the same list as for CVE-2026-43804
CVE-2026-64728
Affected products
Known affected 9 products, the same list as for CVE-2026-43804
CVE-2026-64730
Affected products
Known affected 9 products, the same list as for CVE-2026-43804
CVE-2026-64757
Affected products
Known affected 9 products, the same list as for CVE-2026-43804
CVE-2026-64783
Affected products
Known affected 9 products, the same list as for CVE-2026-43804
CVE-2026-64787
Affected products
Product Identifier Version Remediation
Oracle Linux
Oracle
 cpe:/o:oracle:linux:- —
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
RESF Rocky Linux
RESF
 cpe:/o:resf:rocky_linux:- —
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Open Source WebKitGTK <2.52.4
Open Source / WebKitGTK
 <2.52.4
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Open Source WebKitGTK <2.52.5
Open Source / WebKitGTK
 <2.52.5
CVE-2026-28984
Affected products
Product Identifier Version Remediation
Oracle Linux
Oracle
 cpe:/o:oracle:linux:- —
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
RESF Rocky Linux
RESF
 cpe:/o:resf:rocky_linux:- —
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Open Source WebKitGTK <2.52.4
Open Source / WebKitGTK
 <2.52.4
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
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": "WebKitGTK ist ein Webbrowser. Dieser nutzt die WebKit-Engine, die auch von Safari und vielen anderen Apps auf macOS, iOS und Linux verwendet wird.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in WebKitGTK ausnutzen, um Informationen offenzulegen, Sicherheitsma\u00dfnahmen zu umgehen, Daten zu manipulieren oder Denial-of-Service-Zust\u00e4nde herbeizuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX",
        "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-2026-2940 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2940.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2940 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2940"
      },
      {
        "category": "external",
        "summary": "WebKitGTK and WPE WebKit Security Advisory WSA-2026-0005 vom 2026-08-19",
        "url": "https://wpewebkit.org/security/WSA-2026-0005.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:58564 vom 2026-08-24",
        "url": "https://access.redhat.com/errata/RHSA-2026:58564"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:58550 vom 2026-08-24",
        "url": "https://access.redhat.com/errata/RHSA-2026:58550"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:59326 vom 2026-08-25",
        "url": "https://access.redhat.com/errata/RHSA-2026:59326"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-6463 vom 2026-08-24",
        "url": "https://lists.debian.org/debian-security-announce/2026/msg00374.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:59325 vom 2026-08-25",
        "url": "https://access.redhat.com/errata/RHSA-2026:59325"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-8703-1 vom 2026-08-31",
        "url": "https://ubuntu.com/security/notices/USN-8703-1"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2026-3891 vom 2026-09-01",
        "url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3891.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:4001-1 vom 2026-09-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-September/028889.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:4020-1 vom 2026-09-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-September/028870.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-164300CB22 vom 2026-09-17",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-164300cb22"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-B3F7D5344B vom 2026-09-17",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-b3f7d5344b"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-69098 vom 2026-09-21",
        "url": "https://linux.oracle.com/errata/ELSA-2026-69098.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:69098 vom 2026-09-21",
        "url": "https://access.redhat.com/errata/RHSA-2026:69098"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-40DB9B80A2 vom 2026-09-22",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-40db9b80a2"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-011617B4DB vom 2026-09-22",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-011617b4db"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:69098 vom 2026-09-22",
        "url": "https://errata.build.resf.org/RLSA-2026:69098"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:74084 vom 2026-09-30",
        "url": "https://access.redhat.com/errata/RHSA-2026:74084"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:74084 vom 2026-10-01",
        "url": "https://errata.build.resf.org/RLSA-2026:74084"
      }
    ],
    "source_lang": "en-US",
    "title": "WebKitGTK: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-09-30T22:00:00.000+00:00",
      "generator": {
        "date": "2026-10-01T10:06:50.027+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2940",
      "initial_release_date": "2026-08-19T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-08-19T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-08-23T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-08-24T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat und Debian aufgenommen"
        },
        {
          "date": "2026-08-31T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu und Amazon aufgenommen"
        },
        {
          "date": "2026-09-13T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-09-17T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2026-09-21T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Oracle Linux und Red Hat aufgenommen"
        },
        {
          "date": "2026-09-22T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Fedora und Rocky Enterprise Software Foundation aufgenommen"
        },
        {
          "date": "2026-09-30T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Red Hat und Rocky Enterprise Software Foundation aufgenommen"
        }
      ],
      "status": "final",
      "version": "9"
    }
  },
  "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": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74178",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.52.4",
                "product": {
                  "name": "Open Source WebKitGTK \u003c2.52.4",
                  "product_id": "T058384"
                }
              },
              {
                "category": "product_version",
                "name": "2.52.4",
                "product": {
                  "name": "Open Source WebKitGTK 2.52.4",
                  "product_id": "T058384-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:webkitgtk:webkitgtk:2.52.4"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c2.52.6",
                "product": {
                  "name": "Open Source WebKitGTK \u003c2.52.6",
                  "product_id": "T058385"
                }
              },
              {
                "category": "product_version",
                "name": "2.52.6",
                "product": {
                  "name": "Open Source WebKitGTK 2.52.6",
                  "product_id": "T058385-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:webkitgtk:webkitgtk:2.52.6"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c2.52.5",
                "product": {
                  "name": "Open Source WebKitGTK \u003c2.52.5",
                  "product_id": "T058386"
                }
              },
              {
                "category": "product_version",
                "name": "2.52.5",
                "product": {
                  "name": "Open Source WebKitGTK 2.52.5",
                  "product_id": "T058386-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:webkitgtk:webkitgtk:2.52.5"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "WebKitGTK"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "RESF Rocky Linux",
            "product": {
              "name": "RESF Rocky Linux",
              "product_id": "T054581",
              "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": "T054646",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T055947",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-43804",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058385",
          "74178",
          "398363",
          "T054646"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-43804"
    },
    {
      "cve": "CVE-2026-64713",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058385",
          "74178",
          "398363",
          "T054646"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-64713"
    },
    {
      "cve": "CVE-2026-64719",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058385",
          "74178",
          "398363",
          "T054646"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-64719"
    },
    {
      "cve": "CVE-2026-64728",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058385",
          "74178",
          "398363",
          "T054646"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-64728"
    },
    {
      "cve": "CVE-2026-64730",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058385",
          "74178",
          "398363",
          "T054646"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-64730"
    },
    {
      "cve": "CVE-2026-64757",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058385",
          "74178",
          "398363",
          "T054646"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-64757"
    },
    {
      "cve": "CVE-2026-64783",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058385",
          "74178",
          "398363",
          "T054646"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-64783"
    },
    {
      "cve": "CVE-2026-64787",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058384",
          "74178",
          "398363",
          "T054646",
          "T058386"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-64787"
    },
    {
      "cve": "CVE-2026-28984",
      "product_status": {
        "known_affected": [
          "T056236",
          "2951",
          "T054581",
          "67646",
          "T055947",
          "T058384",
          "74178",
          "398363",
          "T054646"
        ]
      },
      "release_date": "2026-08-19T22:00:00.000+00:00",
      "title": "CVE-2026-28984"
    }
  ]
}



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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

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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.
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  • 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.



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