Security advisory

{
  "id": "0b717769c77cf090adec9cc7ac570efad65ce0a9559e68809efe321cda5e80b8",
  "url": "https://osv.dev/vulnerability/CVE-2025-65805",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-65805",
    "summary": "OpenAirInterface CN5G AMF<=v2.1.9 has a buffer overflow vulnerability in processing NAS messages. Unauthorized remote attackers can launch a denial-of-service attack and potentially execute malicious code by accessing port N1 and sending an imsi string longer than 1000 to AMF.",
    "evidence": "osv:CVE-2025-65805",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-65805",
      "aliases": [
        "CVE-2025-65805"
      ],
      "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://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "00d453f1ad02cfd51cd82b154a20911f746e2f86"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openairinterface:oai-cn5g-amf:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.1.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.1.0",
            "v2.1.9",
            "v2.0.1",
            "v2.0.0",
            "v1.5.1",
            "v1.5.0",
            "v1.4.0",
            "v1.3.0",
            "2022.w03",
            "v1.2.1",
            "2021.w43",
            "v1.2.0",
            "2021.w40",
            "v1.1.0",
            "2021.w29",
            "2021.w28",
            "2021.w03",
            "v1.0.0",
            "2020.w39"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65805.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.718182747Z",
      "provider": "osv",
      "references": [
        "https://github.com/swallele/Vulnerability/blob/main/Openairinterface/Buffer_Overflow/Vulnerability_Report.md",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65805.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-65805"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65805.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-65805",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496770,
  "published_at": "2026-01-07T00:00:00+00:00"
}