Security advisory

{
  "id": "4763c0bbd277516551cfe2d4cecc6119b7fe204f2d7b8fbdf9a89a0232f8ea5e",
  "url": "https://osv.dev/vulnerability/CVE-2023-47345",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-47345",
    "summary": "Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP message with malformed PFCP Heartbeat message whose Recovery Time Stamp IE length is mutated to zero.",
    "evidence": "osv:CVE-2023-47345",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-47345",
      "aliases": [
        "CVE-2023-47345",
        "GHSA-6944-6pmv-6mp2"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/free5gc/free5gc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "470b8bff3ff2cd4e485bf54cb4c6bfe7e285793e"
                },
                {
                  "last_affected": "470b8bff3ff2cd4e485bf54cb4c6bfe7e285793e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:free5gc:free5gc:3.3.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.3.0"
                      },
                      {
                        "last_affected": "3.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.3.0",
            "v3.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-47345.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.868099628Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47345.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-47345",
        "https://github.com/free5gc/free5gc/issues/483"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47345.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-47345",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 492270,
  "published_at": "2023-11-15T00:00:00+00:00"
}