WID-SEC-W-2026-2722

Vulnerability from csaf_certbund - Published: 2026-08-09 22:00 - Updated: 2026-08-10 22:00
Summary
cpio: Mehrere Schwachstellen
Severity
Niedrig
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: GNU cpio ist ein populäres Programm zur Verarbeitung von Archivdateien. Es ist in vielen Linux Distributionen enthalten.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in cpio ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial of Service zu verursachen oder Daten zu manipulieren.
Betroffene Betriebssysteme: - Linux - UNIX
CVE-2026-66484
Affected products
Product Identifier Version Remediation
Open Source cpio <=2.15
Open Source / cpio
 <=2.15
CVE-2026-66485
Affected products
Product Identifier Version Remediation
Open Source cpio <=2.15
Open Source / cpio
 <=2.15
CVE-2026-66486
Affected products
Product Identifier Version Remediation
Open Source cpio <=2.15
Open Source / cpio
 <=2.15
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "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": "GNU cpio ist ein popul\u00e4res Programm zur Verarbeitung von Archivdateien. Es ist in vielen Linux Distributionen enthalten.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in cpio ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial of Service zu verursachen oder Daten zu manipulieren.",
        "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-2026-2722 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2722.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2722 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2722"
      },
      {
        "category": "external",
        "summary": "CVE Record vom 2026-08-09",
        "url": "https://www.cve.org/CVERecord?id=CVE-2026-66484"
      },
      {
        "category": "external",
        "summary": "CVE Record vom 2026-08-09",
        "url": "https://www.cve.org/CVERecord?id=CVE-2026-66485"
      },
      {
        "category": "external",
        "summary": "CVE Record vom 2026-08-09",
        "url": "https://www.cve.org/CVERecord?id=CVE-2026-66486"
      },
      {
        "category": "external",
        "summary": "Polska CERT vom 2026-08-09",
        "url": "https://cert.pl/en/posts/2026/08/CVE-2026-66484/"
      },
      {
        "category": "external",
        "summary": "cpio Download vom 2026-08-09",
        "url": "https://ftp.gnu.org/gnu/cpio/"
      }
    ],
    "source_lang": "en-US",
    "title": "cpio: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-08-10T22:00:00.000+00:00",
      "generator": {
        "date": "2026-08-11T08:57:30.064+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2722",
      "initial_release_date": "2026-08-09T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-08-09T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-08-10T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-55256, EUVD-2026-55244, EUVD-2026-55255"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=2.15",
                "product": {
                  "name": "Open Source cpio \u003c=2.15",
                  "product_id": "T057770"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c=2.15",
                "product": {
                  "name": "Open Source cpio \u003c=2.15",
                  "product_id": "T057770-fixed"
                }
              }
            ],
            "category": "product_name",
            "name": "cpio"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-66484",
      "product_status": {
        "last_affected": [
          "T057770"
        ]
      },
      "release_date": "2026-08-09T22:00:00.000+00:00",
      "title": "CVE-2026-66484"
    },
    {
      "cve": "CVE-2026-66485",
      "product_status": {
        "last_affected": [
          "T057770"
        ]
      },
      "release_date": "2026-08-09T22:00:00.000+00:00",
      "title": "CVE-2026-66485"
    },
    {
      "cve": "CVE-2026-66486",
      "product_status": {
        "last_affected": [
          "T057770"
        ]
      },
      "release_date": "2026-08-09T22:00:00.000+00:00",
      "title": "CVE-2026-66486"
    }
  ]
}



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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.
  • 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.


Detection rules are retrieved from Rulezet.