Security advisory

{
  "id": "799f3a2a88783f2d09cd08743f5a85d95b06c41ae50cc036415ac1af863dc25d",
  "url": "https://osv.dev/vulnerability/CVE-2023-6247",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-6247",
    "summary": "The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.",
    "evidence": "osv:CVE-2023-6247",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-6247",
      "aliases": [
        "CVE-2023-6247"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openvpn/openvpn3",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8f4cd953b26eae74d36afe62fdb473418f09e9e2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openvpn:openvpn_3:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.8.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "release/3.8.2",
            "release/3.8.1",
            "release/3.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6247.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.610272332Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6247.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-6247",
        "https://community.openvpn.net/openvpn/wiki/CVE-2023-6247"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-476"
        ],
        "cna_assigner": "OpenVPN",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.0"
                  },
                  {
                    "last_affected": "3.8.3"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6247.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-6247",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497758,
  "published_at": "2024-02-20T18:43:17.89+00:00"
}