{
  "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/debian11els/vex/2024/cve-2024-27459-els_os-debian11els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-09-07T13:05:57Z",
      "generator": {
        "date": "2026-09-07T13:05:57Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2024-27459-ELS_OS-DEBIAN11ELS",
      "initial_release_date": "2024-07-08T11:15:00Z",
      "revision_history": [
        {
          "date": "2024-07-08T11:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-09-07T13:05:57Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2024-27459"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 11",
                "product": {
                  "name": "Debian 11",
                  "product_id": "Debian-11",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:11:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els1?arch=arm64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "arm64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els1?arch=armel"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "armel"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64 as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64 as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
        "relates_to_product_reference": "Debian-11"
      }
    ]
  },
  "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": "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": [
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel"
        ]
      },
      "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",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-09-02T09:55:04.757058Z",
          "details": "important",
          "product_ids": [
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel"
          ]
        }
      ]
    }
  ]
}