Vulnerability-Lookup

CVE-2026-41079 (GCVE-0-2026-41079)

Vulnerability from cvelistv5 – Published: 2026-04-24 16:54 – Updated: 2026-04-25 01:47

Title

OpenPrinting CUPS: Heap out-of-bounds read in SNMP supply-level polling leaks stack memory to authenticated users

Summary

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.17, a network-adjacent attacker can send a crafted SNMP response to the CUPS SNMP backend that causes an out-of-bounds read of up to 176 bytes past a stack buffer. The leaked memory is converted from UTF-16 to UTF-8 and stored as printer supply description strings, which are subsequently visible to authenticated users via IPP Get-Printer-Attributes responses and the CUPS web interface. This vulnerability is fixed in 2.4.17.

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-125 - Out-of-bounds Read
CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/OpenPrinting/cups/security/adv…	x_refsource_CONFIRM
https://github.com/OpenPrinting/cups/commit/b7c25…	x_refsource_MISC
https://github.com/OpenPrinting/cups/commit/d7fe0…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
OpenPrinting	cups	Affected: < 2.4.17

Show details on NVD website

JSON

To clipboard

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}

WID-SEC-W-2026-1274

Vulnerability from csaf_certbund - Published: 2026-04-26 22:00 - Updated: 2026-06-08 22:00

Summary

CUPS: Schwachstelle ermöglicht Offenlegung von Informationen

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: 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 aus einem angrenzenden Netzwerk kann eine Schwachstelle in CUPS ausnutzen, um Informationen offenzulegen.

Betroffene Betriebssysteme: - Linux - Sonstiges - UNIX - Windows

CVE-2026-41079

Affected products

Known affected 4 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
SUSE openSUSE SUSE	`cpe:/o:suse:opensuse:-`	—
Open Source CUPS <2.4.17 Open Source / CUPS		<2.4.17

References

10 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://github.com/OpenPrinting/cups/security/adv…	external
https://euvd.enisa.europa.eu/enisa/EUVD-2026-25574	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://lists.opensuse.org/archives/list/security…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://ubuntu.com/security/notices/USN-8405-1	external

JSON

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": "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 aus einem angrenzenden Netzwerk kann eine Schwachstelle in CUPS ausnutzen, um Informationen offenzulegen.",
        "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-2026-1274 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1274.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1274 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1274"
      },
      {
        "category": "external",
        "summary": "GitHub Vulnerability Database vom 2026-04-26",
        "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-6wpw-g8g6-wvrv"
      },
      {
        "category": "external",
        "summary": "EU Vulnerability Database vom 2026-04-26",
        "url": "https://euvd.enisa.europa.eu/enisa/EUVD-2026-25574"
      },
      {
        "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"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:20812-1 vom 2026-05-28",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/TKFILYSKLFXAVSPZ7WVZ2DQ45XGXWQ6L/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21836-1 vom 2026-05-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/026386.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21850-1 vom 2026-06-01",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026432.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21871-1 vom 2026-06-02",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-June/026520.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-8405-1 vom 2026-06-08",
        "url": "https://ubuntu.com/security/notices/USN-8405-1"
      }
    ],
    "source_lang": "en-US",
    "title": "CUPS: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2026-06-08T22:00:00.000+00:00",
      "generator": {
        "date": "2026-06-09T09:02:11.082+00:00",
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      "revision_history": [
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          "date": "2026-04-26T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-05-27T22:00:00.000+00:00",
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          "number": "3",
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          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
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          "date": "2026-06-01T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-06-02T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-06-08T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        }
      ],
      "status": "final",
      "version": "7"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.4.17",
                "product": {
                  "name": "Open Source CUPS \u003c2.4.17",
                  "product_id": "T053321"
                }
              },
              {
                "category": "product_version",
                "name": "2.4.17",
                "product": {
                  "name": "Open Source CUPS 2.4.17",
                  "product_id": "T053321-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": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T027843",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-41079",
      "product_status": {
        "known_affected": [
          "T002207",
          "T000126",
          "T027843",
          "T053321"
        ]
      },
      "release_date": "2026-04-26T22:00:00.000+00:00",
      "title": "CVE-2026-41079"
    }
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-41079 (GCVE-0-2026-41079)

WID-SEC-W-2026-1274

Tags

Sightings

Nomenclature