WID-SEC-W-2026-3606

Vulnerability from csaf_certbund - Published: 2026-09-27 22:00 - Updated: 2026-09-28 22:00
Summary
X.Org X11: Mehrere Schwachstellen ermöglichen Denial of Service
Severity
Mittel
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: Das X Window System dient der Erzeugung grafischer Oberflächen auf Unix Systemen.
Angriff: Ein Angreifer kann mehrere Schwachstellen in X.Org X11 ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux - UNIX
CVE-2026-94283
Affected products
Product Identifier Version Remediation
Open Source X.Org X11 <1.8.14
Open Source / X.Org X11
 <1.8.14
CVE-2026-94284
Affected products
Known affected 1 product, the same list as for CVE-2026-94283
CVE-2026-94285
Affected products
Known affected 1 product, the same list as for CVE-2026-94283
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "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": "Das X Window System dient der Erzeugung grafischer Oberfl\u00e4chen auf Unix Systemen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in X.Org X11 ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\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-2026-3606 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3606.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3606 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3606"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugtracker 2542367 vom 2026-09-27",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2542367"
      },
      {
        "category": "external",
        "summary": "Red Hat Customer Portal vom 2026-09-27",
        "url": "https://access.redhat.com/security/cve/cve-2026-94283"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugtracker 2542378 vom 2026-09-27",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2542378"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugtracker 2542376 vom 2026-09-27",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2542376"
      }
    ],
    "source_lang": "en-US",
    "title": "X.Org X11: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2026-09-28T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-29T07:46:34.204+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3606",
      "initial_release_date": "2026-09-27T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-09-27T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-09-28T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-88177, EUVD-2026-88175, EUVD-2026-88174"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.8.14",
                "product": {
                  "name": "Open Source X.Org X11 \u003c1.8.14",
                  "product_id": "T060289"
                }
              },
              {
                "category": "product_version",
                "name": "1.8.14",
                "product": {
                  "name": "Open Source X.Org X11 1.8.14",
                  "product_id": "T060289-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:x:x.org_x11:1.8.14"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "X.Org X11"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-94283",
      "product_status": {
        "known_affected": [
          "T060289"
        ]
      },
      "release_date": "2026-09-27T22:00:00.000+00:00",
      "title": "CVE-2026-94283"
    },
    {
      "cve": "CVE-2026-94284",
      "product_status": {
        "known_affected": [
          "T060289"
        ]
      },
      "release_date": "2026-09-27T22:00:00.000+00:00",
      "title": "CVE-2026-94284"
    },
    {
      "cve": "CVE-2026-94285",
      "product_status": {
        "known_affected": [
          "T060289"
        ]
      },
      "release_date": "2026-09-27T22:00:00.000+00:00",
      "title": "CVE-2026-94285"
    }
  ]
}



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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

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