{ "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/ubuntu16.04els/vex/2024/cve-2024-27459-els_os-ubuntu16_04els.json" } ], "tracking": { "current_release_date": "2026-06-13T14:42:41Z", "generator": { "date": "2026-06-13T14:42:41Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2024-27459-ELS_OS-UBUNTU16.04ELS", "initial_release_date": "2024-07-08T11:15:00Z", "revision_history": [ { "date": "2024-07-08T11:15:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-11-29T17:46:35Z", "number": "2", "summary": "Official Publication" }, { "date": "2025-12-23T22:15:38Z", "number": "3", "summary": "Update document" }, { "date": "2026-06-13T14:42:41Z", "number": "4", "summary": "Update document" } ], "status": "final", "version": "4" }, "title": "Security update on CVE-2024-27459" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 16.04", "product": { "name": "Ubuntu 16.04", "product_id": "Ubuntu-16", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64", "product": { "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64", "product_id": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/openvpn@2.3.10-1ubuntu2.2%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64", "product": { "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64", "product_id": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/openvpn@2.3.10-1ubuntu2.2%2Btuxcare.els2?arch=amd64" } } }, { "category": "product_version", "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64", "product": { "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64", "product_id": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64", "product_identification_helper": { "purl": "pkg:deb/cloudlinux/openvpn@2.3.10-1ubuntu2.2%2Btuxcare.els3?arch=amd64" } } } ], "category": "architecture", "name": "amd64" } ], "category": "vendor", "name": "CloudLinux" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64" }, "product_reference": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64" }, "product_reference": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64", "relates_to_product_reference": "Ubuntu-16" }, { "category": "default_component_of", "full_product_name": { "name": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64 as a component of Ubuntu 16.04", "product_id": "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64" }, "product_reference": "openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64", "relates_to_product_reference": "Ubuntu-16" } ] }, "vulnerabilities": [ { "cve": "CVE-2024-27459", "cwe": { "id": "CWE-121", "name": "Stack-based Buffer Overflow" }, "notes": [ { "category": "description", "text": "The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges.", "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" }, { "category": "other", "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.", "title": "Statement" } ], "product_status": { "known_not_affected": [ "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64", "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64", "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2024-27459" }, { "category": "external", "summary": "https://community.openvpn.net/openvpn/wiki/CVE-2024-27459", "url": "https://community.openvpn.net/openvpn/wiki/CVE-2024-27459" }, { "category": "external", "summary": "https://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/", "url": "https://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/" }, { "category": "external", "summary": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html", "url": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html" } ], "release_date": "2024-07-08T11:15:00Z", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64", "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64", "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64" ] } ], "threats": [ { "category": "impact", "details": "Important" }, { "category": "impact", "date": "2026-06-12T12:59:17.996777Z", "details": "CVE-2024-27459 targets the Windows-only OpenVPN Interactive Service (openvpnserv), where a crafted message to the service’s Windows IPC pipe can trigger a stack-based overflow and elevate privileges; this component does not exist in Linux builds of OpenVPN. Although 2.3.10 falls within the affected version range, the vulnerable code path is absent on Linux servers/VMs, so this issue does not apply to the customer’s deployment.", "product_ids": [ "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els1.amd64", "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els2.amd64", "Ubuntu-16:openvpn-0:2.3.10-1ubuntu2.2+tuxcare.els3.amd64" ] } ] } ] }