WID-SEC-W-2026-0947

Vulnerability from csaf_certbund - Published: 2026-03-31 22:00 - Updated: 2026-05-27 22:00
Summary
CUPS: Mehrere Schwachstellen
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: CUPS (Common Unix Printing System) ist ein Printspooler, der es lokalen und entfernten Benutzern ermöglicht, Druckfunktionen über das Internet Printing Protocol (IPP) zu nutzen.
Angriff: Ein Angreifer kann mehrere Schwachstellen in CUPS ausnutzen, um Sicherheitsvorkehrungen zu umgehen, beliebigen Code auszuführen, erweiterte Rechte zu erlangen, Daten zu manipulieren oder einen Denial-of-Service-Zustand herbeizuführen.
Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows
CVE-2026-27447
Affected products
Product Identifier Version Remediation
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
Open Source CUPS <2.4.17
Open Source / CUPS
 <2.4.17
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
CVE-2026-34978
Affected products
Product Identifier Version Remediation
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
Open Source CUPS <2.4.17
Open Source / CUPS
 <2.4.17
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
CVE-2026-34979
Affected products
Product Identifier Version Remediation
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
Open Source CUPS <2.4.17
Open Source / CUPS
 <2.4.17
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
CVE-2026-34980
Affected products
Product Identifier Version Remediation
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
Open Source CUPS <2.4.17
Open Source / CUPS
 <2.4.17
Microsoft Azure Linux azl3
Microsoft / Azure Linux
 cpe:/o:microsoft:azure_linux:azl3 azl3
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
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": "CUPS (Common Unix Printing System) ist ein Printspooler, der es lokalen und entfernten Benutzern erm\u00f6glicht, Druckfunktionen \u00fcber das Internet Printing Protocol (IPP) zu nutzen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in CUPS ausnutzen, um Sicherheitsvorkehrungen zu umgehen, beliebigen Code auszuf\u00fchren, erweiterte Rechte zu erlangen, Daten zu manipulieren oder einen Denial-of-Service-Zustand herbeizuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- 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-2026-0947 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0947.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0947 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0947"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-v987-m8hp-phj9 vom 2026-03-31",
        "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-v987-m8hp-phj9"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-f53q-7mxp-9gcr vom 2026-03-31",
        "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-f53q-7mxp-9gcr"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-6qxf-7jx6-86fh vom 2026-03-31",
        "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fh"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-4852-v58g-6cwf vom 2026-03-31",
        "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-4852-v58g-6cwf"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Update Guide vom 2026-04-14",
        "url": "https://msrc.microsoft.com/update-guide/"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-BCE5853E95 vom 2026-04-17",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-bce5853e95"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-34454FDB74 vom 2026-04-17",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-34454fdb74"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-82A2214B53 vom 2026-04-17",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-82a2214b53"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:1617-1 vom 2026-04-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025645.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2026-3279 vom 2026-04-30",
        "url": "https://alas.aws.amazon.com/AL2/ALAS2-2026-3279.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21787-1 vom 2026-05-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026353.html"
      }
    ],
    "source_lang": "en-US",
    "title": "CUPS: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-05-27T22:00:00.000+00:00",
      "generator": {
        "date": "2026-05-28T07:27:08.154+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-0947",
      "initial_release_date": "2026-03-31T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-03-31T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-04-06T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-18887, EUVD-2026-18885, EUVD-2026-18884, EUVD-2026-18863"
        },
        {
          "date": "2026-04-14T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates aufgenommen"
        },
        {
          "date": "2026-04-19T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2026-04-26T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-04-29T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2026-05-27T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "7"
    }
  },
  "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": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "azl3",
                "product": {
                  "name": "Microsoft Azure Linux azl3",
                  "product_id": "T049210",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:microsoft:azure_linux:azl3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.4.17",
                "product": {
                  "name": "Open Source CUPS \u003c2.4.17",
                  "product_id": "T052346"
                }
              },
              {
                "category": "product_version",
                "name": "2.4.17",
                "product": {
                  "name": "Open Source CUPS 2.4.17",
                  "product_id": "T052346-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cups:cups:2.4.17"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "CUPS"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-27447",
      "product_status": {
        "known_affected": [
          "T002207",
          "398363",
          "T052346",
          "T049210",
          "74185"
        ]
      },
      "release_date": "2026-03-31T22:00:00.000+00:00",
      "title": "CVE-2026-27447"
    },
    {
      "cve": "CVE-2026-34978",
      "product_status": {
        "known_affected": [
          "T002207",
          "398363",
          "T052346",
          "T049210",
          "74185"
        ]
      },
      "release_date": "2026-03-31T22:00:00.000+00:00",
      "title": "CVE-2026-34978"
    },
    {
      "cve": "CVE-2026-34979",
      "product_status": {
        "known_affected": [
          "T002207",
          "398363",
          "T052346",
          "T049210",
          "74185"
        ]
      },
      "release_date": "2026-03-31T22:00:00.000+00:00",
      "title": "CVE-2026-34979"
    },
    {
      "cve": "CVE-2026-34980",
      "product_status": {
        "known_affected": [
          "T002207",
          "398363",
          "T052346",
          "T049210",
          "74185"
        ]
      },
      "release_date": "2026-03-31T22:00:00.000+00:00",
      "title": "CVE-2026-34980"
    }
  ]
}


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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

Author Source Type Date Other

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.