WID-SEC-W-2026-2463

Vulnerability from csaf_certbund - Published: 2026-07-21 22:00 - Updated: 2026-07-21 22:00
Summary
Ollama: 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: Ollama ist eine Open-Source-Runtime zum lokalen Ausführen von Large Language Models (LLMs)
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Ollama ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux - Sonstiges - UNIX - Windows
CVE-2026-65315
Affected products
Product Identifier Version Remediation
Ollama Ollama
Ollama
 cpe:/a:ollama:ollama:- —
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": "Ollama ist eine Open-Source-Runtime zum lokalen Ausf\u00fchren von Large Language Models (LLMs)",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Ollama ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "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-2026-2463 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2463.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2463 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2463"
      },
      {
        "category": "external",
        "summary": "GitHub Advisory Database vom 2026-07-21",
        "url": "https://github.com/advisories/GHSA-9HHJ-2JWX-R87P"
      },
      {
        "category": "external",
        "summary": "GitHub Issue 17042 vom 2026-07-05 mit PoC",
        "url": "https://github.com/ollama/ollama/issues/17042"
      }
    ],
    "source_lang": "en-US",
    "title": "Ollama: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2026-07-21T22:00:00.000+00:00",
      "generator": {
        "date": "2026-07-22T10:17:56.744+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2463",
      "initial_release_date": "2026-07-21T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-07-21T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ollama Ollama",
            "product": {
              "name": "Ollama Ollama",
              "product_id": "T057008",
              "product_identification_helper": {
                "cpe": "cpe:/a:ollama:ollama:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ollama"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-65315",
      "product_status": {
        "known_affected": [
          "T057008"
        ]
      },
      "release_date": "2026-07-21T22:00:00.000+00:00",
      "title": "CVE-2026-65315"
    }
  ]
}



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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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