Security advisory

{
  "id": "61a6c7f8ecd5f8439d457c7d619c4274389f39202304b564ea9f81b40114e7fc",
  "url": "https://osv.dev/vulnerability/CVE-2019-9004",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-9004",
    "summary": "In Eclipse Wakaama (formerly liblwm2m) 1.0, core/er-coap-13/er-coap-13.c in lwm2mserver in the LWM2M server mishandles invalid options, leading to a memory leak. Processing of a single crafted packet leads to leaking (wasting) 24 bytes of memory. This can lead to termination of the LWM2M server after exhausting all available memory.",
    "evidence": "osv:CVE-2019-9004",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-9004",
      "aliases": [
        "CVE-2019-9004"
      ],
      "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/eclipse-wakaama/wakaama",
              "type": "GIT",
              "events": [
                {
                  "introduced": "da74b3c91570b9716fbb424e90935806b2b29814"
                },
                {
                  "last_affected": "da74b3c91570b9716fbb424e90935806b2b29814"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:eclipse:wakaama:1.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0"
                      },
                      {
                        "last_affected": "1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0",
            "v1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9004.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:43.839686033Z",
      "provider": "osv",
      "references": [
        "https://github.com/eclipse/wakaama/issues/425"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-9004",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382824,
  "published_at": "2019-02-22T15:29:00.737+00:00"
}