{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu20.04els/vex/2026/cve-2026-34980-els_os-ubuntu20_04els.json" } ], "tracking": { "current_release_date": "2026-04-17T15:18:41Z", "generator": { "date": "2026-04-17T15:18:41Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-34980-ELS_OS-UBUNTU20.04ELS", "initial_release_date": "2026-04-03T22:16:00Z", "revision_history": [ { "date": "2026-04-03T22:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-04-17T15:18:41Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security 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"product": { "name": "cups-ppdc-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "product_id": "cups-ppdc-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/cups-ppdc@2.3.1-9ubuntu1.9%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "cups-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:cups-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all" }, "product_reference": "cups-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcups2-dev-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcups2-dev-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": 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"Ubuntu-20:cups-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "cups-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "cups-ipp-utils-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:cups-ipp-utils-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "cups-ipp-utils-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcupsimage2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcupsimage2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libcupsimage2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "cups-daemon-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:cups-daemon-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "cups-daemon-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "cups-client-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:cups-client-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "cups-client-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "cups-server-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:cups-server-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all" }, "product_reference": "cups-server-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "cups-core-drivers-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:cups-core-drivers-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "cups-core-drivers-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "libcups2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:libcups2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "libcups2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "cups-ppdc-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:cups-ppdc-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" }, "product_reference": "cups-ppdc-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-34980", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "notes": [ { "category": "description", "text": "OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client can send a Print-Job to that shared PostScript queue without authentication. The server accepts a page-border value supplied as textWithoutLanguage, preserves an embedded newline through option escaping and reparse, and then reparses the resulting second-line PPD: text as a trusted scheduler control record. A follow-up raw print job can therefore make the server execute an attacker-chosen existing binary such as /usr/bin/vim as lp. At time of publication, there are no publicly available patches.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "under_investigation": [ "Ubuntu-20:cups-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-bsd-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-client-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all", "Ubuntu-20:cups-core-drivers-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-daemon-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-ipp-utils-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-ppdc-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-server-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all", "Ubuntu-20:libcups2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcups2-dev-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcupsimage2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcupsimage2-dev-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-34980" }, { "category": "external", "summary": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-4852-v58g-6cwf", "url": "https://github.com/OpenPrinting/cups/security/advisories/GHSA-4852-v58g-6cwf" } ], "release_date": "2026-04-03T22:16:00Z", "remediations": [ { "category": "none_available", "details": "Affected", "product_ids": [ "Ubuntu-20:cups-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-bsd-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-client-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all", "Ubuntu-20:cups-core-drivers-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-daemon-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-ipp-utils-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-ppdc-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-server-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all", "Ubuntu-20:libcups2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcups2-dev-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcupsimage2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcupsimage2-dev-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "Ubuntu-20:cups-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-bsd-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-client-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all", "Ubuntu-20:cups-core-drivers-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-daemon-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-ipp-utils-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-ppdc-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:cups-server-common-0:2.3.1-9ubuntu1.9+tuxcare.els1.all", "Ubuntu-20:libcups2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcups2-dev-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcupsimage2-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64", "Ubuntu-20:libcupsimage2-dev-0:2.3.1-9ubuntu1.9+tuxcare.els1.amd64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }