{
  "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/centos8.5els/vex/2024/cve-2024-27459-els_os-centos8_5els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-06-12T20:02:37Z",
      "generator": {
        "date": "2026-06-12T20:02:37Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2024-27459-ELS_OS-CENTOS8.5ELS",
      "initial_release_date": "2024-07-08T11:15:00Z",
      "revision_history": [
        {
          "date": "2024-07-08T11:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2025-11-29T10:59:31Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2025-12-23T22:15:38Z",
          "number": "3",
          "summary": "Update document"
        },
        {
          "date": "2026-06-12T20:02:37Z",
          "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": "Community Enterprise Operating System 8.5",
                "product": {
                  "name": "Community Enterprise Operating System 8.5",
                  "product_id": "CentOS-8.5",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:centos:centos:8.5:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Community Enterprise Operating System"
          }
        ],
        "category": "vendor",
        "name": "Red Hat, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64",
                "product": {
                  "name": "openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64",
                  "product_id": "openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/openvpn@2.4.12-1.el8.tuxcare.els1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64",
                "product": {
                  "name": "openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64",
                  "product_id": "openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/openvpn-devel@2.4.12-1.el8.tuxcare.els1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8.5",
          "product_id": "CentOS-8.5:openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64"
        },
        "product_reference": "openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64",
        "relates_to_product_reference": "CentOS-8.5"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8.5",
          "product_id": "CentOS-8.5:openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64"
        },
        "product_reference": "openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64",
        "relates_to_product_reference": "CentOS-8.5"
      }
    ]
  },
  "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": [
          "CentOS-8.5:openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64",
          "CentOS-8.5:openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64"
        ]
      },
      "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": [
            "CentOS-8.5:openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64",
            "CentOS-8.5:openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-06-12T12:59:17.996777Z",
          "details": "Not vulnerable: CVE-2024-27459 targets the Windows-only OpenVPN Interactive Service (openvpnserv/openvpnserv2) present in OpenVPN versions up to 2.6.9, enabling local privilege escalation via a stack overflow. Linux deployments of OpenVPN do not include or use this Windows interactive service, so the vulnerable code path is absent and the issue is not applicable here.",
          "product_ids": [
            "CentOS-8.5:openvpn-0:2.4.12-1.el8.tuxcare.els1.x86_64",
            "CentOS-8.5:openvpn-devel-0:2.4.12-1.el8.tuxcare.els1.x86_64"
          ]
        }
      ]
    }
  ]
}