Security advisory

{
  "id": "1b0e3709b60134705d3675f36befd94f399746d2fb91f29ed8f4c1164606704e",
  "url": "https://osv.dev/vulnerability/CVE-2024-36845",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-36845",
    "summary": "An invalid pointer in the modbus_receive() function of libmodbus v3.1.6 allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.",
    "evidence": "osv:CVE-2024-36845",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-36845",
      "aliases": [
        "CVE-2024-36845"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/stephane/libmodbus",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f9fe3b0a5343f7fbb3f5c74196bd0fce88df39d5"
                },
                {
                  "last_affected": "f9fe3b0a5343f7fbb3f5c74196bd0fce88df39d5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libmodbus:libmodbus:3.1.6:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1.6"
                      },
                      {
                        "last_affected": "3.1.6"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.1.6",
            "v3.1.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-36845.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.435850355Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00010.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36845.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-36845",
        "https://github.com/stephane/libmodbus/issues/750"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36845.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-36845",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490861,
  "published_at": "2024-05-31T19:16:27.61+00:00"
}