Security advisory

{
  "id": "3e7885c8076ce0e37d0bad813f9287dd4f2ee8ac177200ef0d79e87e44d48f70",
  "url": "https://osv.dev/vulnerability/CVE-2025-65559",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-65559",
    "summary": "An issue was discovered in Open5GS 2.7.5-49-g465e90f, when processing a PFCP Session Establishment Request (type=50), the UPF crashes with a reachable assertion in `lib/pfcp/context.c` (`ogs_pfcp_object_teid_hash_set`) if the CreatePDR?PDI?F-TEID has CH=1 and the F-TEID address-family flag(s) (IPv4/IPv6) do not match the GTP-U resource family configured for the selected DNN (Network Instance), resulting in a denial of service.",
    "evidence": "osv:CVE-2025-65559",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-65559",
      "aliases": [
        "CVE-2025-65559"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/open5gs/open5gs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7dfd9a39649700c24c22f1978ed7a35541a72cca"
                },
                {
                  "last_affected": "7dfd9a39649700c24c22f1978ed7a35541a72cca"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:open5gs:open5gs:2.7.5:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.7.5"
                      },
                      {
                        "last_affected": "2.7.5"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.7.5",
            "v2.7.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65559.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.794413196Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65559.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-65559",
        "https://github.com/open5gs/open5gs/issues/4135"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65559.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-65559",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504112,
  "published_at": "2025-12-18T00:00:00+00:00"
}