Security advisory

{
  "id": "1f5223dba977fbfb47c79f162ce6cedb3f520d8903b6379115b12f3a5500d506",
  "url": "https://osv.dev/vulnerability/CVE-2024-31030",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-31030",
    "summary": "An issue in coap_msg.c in Keith Cullen's FreeCoAP v.0.7 allows remote attackers to cause a Denial of Service or potentially disclose information via a specially crafted packet.",
    "evidence": "osv:CVE-2024-31030",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2024-31030",
      "aliases": [
        "CVE-2024-31030"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/keith-cullen/freecoap",
              "type": "GIT",
              "events": [
                {
                  "introduced": "dffe8a210de37e18caf59a60413ea7ae7b4092da"
                },
                {
                  "last_affected": "dffe8a210de37e18caf59a60413ea7ae7b4092da"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:keith-cullen:freecoap:0.7:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.7"
                      },
                      {
                        "last_affected": "0.7"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.7",
            "v0.7-tinydtls"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-31030.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.373317061Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31030.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-31030",
        "https://github.com/keith-cullen/FreeCoAP/issues/36"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31030.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-31030",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 487658,
  "published_at": "2024-05-31T17:53:25.56+00:00"
}