Security advisory

{
  "id": "34182f24b7adabdebd9401e3f7b3fda33d08433369e0dc49985b7e78e14b3b17",
  "url": "https://osv.dev/vulnerability/CVE-2018-13874",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-13874",
    "summary": "An issue was discovered in the HDF HDF5 1.8.20 library. There is a stack-based buffer overflow in the function H5FD_sec2_read in H5FDsec2.c, related to HDmemset.",
    "evidence": "osv:CVE-2018-13874",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-13874",
      "aliases": [
        "CVE-2018-13874"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hdfgroup/hdf5",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b8c6b68c35fa2be23ef488a1d81097ff3ed55000"
                },
                {
                  "last_affected": "b8c6b68c35fa2be23ef488a1d81097ff3ed55000"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hdfgroup:hdf5:1.8.20:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.8.20"
                      },
                      {
                        "last_affected": "1.8.20"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.8.20",
            "hdf5-1_8_20"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-13874.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:30.921634412Z",
      "provider": "osv",
      "references": [
        "https://github.com/TeamSeri0us/pocs/tree/master/hdf5"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-13874",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432692,
  "published_at": "2018-07-10T21:29:00.637+00:00"
}