WID-SEC-W-2026-3059

Vulnerability from csaf_certbund - Published: 2026-08-27 22:00 - Updated: 2026-09-22 22:00
Summary
Red Hat Undertow: Schwachstelle ermöglicht 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: Undertow ist ein Webserver, der als leichtgewichtige und flexible Lösung für moderne Webanwendungen konzipiert ist.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Undertow ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux - UNIX
CVE-2026-5680
Affected products
Product Identifier Version Remediation
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Red Hat Undertow
Red Hat
 cpe:/a:redhat:undertow:- —
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": "Undertow ist ein Webserver, der als leichtgewichtige und flexible L\u00f6sung f\u00fcr moderne Webanwendungen konzipiert ist.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Undertow 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-2026-3059 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3059.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3059 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3059"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-28VH-MG6P-GXG7 vom 2026-08-27",
        "url": "https://github.com/advisories/GHSA-28VH-MG6P-GXG7"
      },
      {
        "category": "external",
        "summary": "Red Hat Customer Portal CVE-2026-5680 vom 2026-08-27",
        "url": "https://access.redhat.com/security/cve/CVE-2026-5680"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:70229 vom 2026-09-22",
        "url": "https://access.redhat.com/errata/RHSA-2026:70229"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:70228 vom 2026-09-22",
        "url": "https://access.redhat.com/errata/RHSA-2026:70228"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:70277 vom 2026-09-22",
        "url": "https://access.redhat.com/errata/RHSA-2026:70277"
      }
    ],
    "source_lang": "en-US",
    "title": "Red Hat Undertow: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2026-09-22T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-23T10:36:27.012+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3059",
      "initial_release_date": "2026-08-27T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-08-27T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-09-22T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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": "product_name",
            "name": "Red Hat Undertow",
            "product": {
              "name": "Red Hat Undertow",
              "product_id": "T058739",
              "product_identification_helper": {
                "cpe": "cpe:/a:redhat:undertow:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-5680",
      "product_status": {
        "known_affected": [
          "67646",
          "T058739"
        ]
      },
      "release_date": "2026-08-27T22:00:00.000+00:00",
      "title": "CVE-2026-5680"
    }
  ]
}



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