Security advisory

{
  "id": "1d5de4d1cc3a5545b393f9b6b1bdbbf3b724e7aba3587cd7a38634bf5d51c16e",
  "url": "https://osv.dev/vulnerability/CVE-2023-36273",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-36273",
    "summary": "LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_calc_CRC at bits.c.",
    "evidence": "osv:CVE-2023-36273",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-36273",
      "aliases": [
        "CVE-2023-36273"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libredwg/libredwg",
              "type": "GIT",
              "events": [
                {
                  "introduced": "24cea42a1a2e96d2a6028a4d9f9ea1e7574af77f"
                },
                {
                  "last_affected": "24cea42a1a2e96d2a6028a4d9f9ea1e7574af77f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnu:libredwg:0.12.5:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.12.5"
                      },
                      {
                        "last_affected": "0.12.5"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.12.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-36273.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.484666715Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36273.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-36273",
        "https://github.com/LibreDWG/libredwg/issues/677#BUG1"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36273.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-36273",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 497471,
  "published_at": "2023-06-23T00:00:00+00:00"
}