Security advisory

{
  "id": "baec1f69e8fba9cf3615a9a9e80f1ff8dd0060f3935b82629105e4039e1a4c33",
  "url": "https://osv.dev/vulnerability/CVE-2018-12679",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-12679",
    "summary": "The Serialize.deserialize() method in CoAPthon3 1.0 and 1.0.1 mishandles certain exceptions, leading to a denial of service in applications that use this library (e.g., the standard CoAP server, CoAP client, example collect CoAP server and client) when they receive crafted CoAP messages.",
    "evidence": "osv:CVE-2018-12679",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-12679",
      "aliases": [
        "CVE-2018-12679",
        "GHSA-c6fm-rgw4-8q73",
        "PYSEC-2019-166"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/tanganelli/coapthon3",
              "type": "GIT",
              "events": [
                {
                  "introduced": "fe716fff7aec2857761355500ad93b5185c6a427"
                },
                {
                  "last_affected": "357b1afe4d09e6abd79a153111e46a9918b7172c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:coapthon3_project:coapthon3:1.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0"
                      },
                      {
                        "last_affected": "1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:coapthon3_project:coapthon3:1.0.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.1"
                      },
                      {
                        "last_affected": "1.0.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0",
            "1.0.1",
            "1.01"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12679.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:18.923296745Z",
      "provider": "osv",
      "references": [
        "https://github.com/Tanganelli/CoAPthon3/issues/16"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-12679",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381519,
  "published_at": "2019-04-02T19:29:00.26+00:00"
}