Security advisory

{
  "id": "300587e1ba7b3ba41b3fecfca3fe8becae11cb056412c8e210ea8a0f0be5cde0",
  "url": "https://osv.dev/vulnerability/CVE-2023-40294",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-40294",
    "summary": "libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.",
    "evidence": "osv:CVE-2023-40294",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-40294",
      "aliases": [
        "CVE-2023-40294"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/0branch/boron",
              "type": "GIT",
              "events": [
                {
                  "introduced": "84e7a81f68aa7588419f7b164e94e096a1c3fa07"
                },
                {
                  "last_affected": "84e7a81f68aa7588419f7b164e94e096a1c3fa07"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:0branch:boron:2.0.8:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0.8"
                      },
                      {
                        "last_affected": "2.0.8"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0.8",
            "v2.0.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-40294.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.531946699Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/40xxx/CVE-2023-40294.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-40294",
        "https://github.com/0branch/boron/issues/3"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/40xxx/CVE-2023-40294.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-40294",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 487524,
  "published_at": "2023-08-14T00:00:00+00:00"
}