Security advisory

{
  "id": "b613c6097a680adc3b3a3648c888009ef31b0d675ed2d258d36eccec41237876",
  "url": "https://osv.dev/vulnerability/CVE-2021-37501",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-37501",
    "summary": "Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause a denial of service via h5tools_str_sprint in /hdf5/tools/lib/h5tools_str.c.",
    "evidence": "osv:CVE-2021-37501",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-37501",
      "aliases": [
        "CVE-2021-37501"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hdfgroup/hdf5",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c51aa323fcda89b1f116cdd2c28a8ce0a229e29a"
                },
                {
                  "last_affected": "34ae2775ac67f03f352a340352043e499e90141c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.12.0"
                      },
                      {
                        "last_affected": "1.13.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37501.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:49.224329990Z",
      "provider": "osv",
      "references": [
        "https://github.com/HDFGroup/hdf5/issues/2458",
        "https://github.com/HDFGroup/hdf5",
        "https://github.com/ST4RF4LL/Something_Found/blob/main/HDF5_v1.13.0_h5dump_heap_overflow.md"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-37501",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386204,
  "published_at": "2023-02-03T18:15:13.67+00:00"
}