Security advisory

{
  "id": "092f71b60028e9000ee71c1773cd823771664f7f01aa7a06e0399acbd1948ec2",
  "url": "https://osv.dev/vulnerability/CVE-2020-18494",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-18494",
    "summary": "Buffer Overflow vulnerability in function H5S_close in H5S.c in HDF5 1.10.4 allows remote attackers to run arbitrary code via creation of crafted file.",
    "evidence": "osv:CVE-2020-18494",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-18494",
      "aliases": [
        "CVE-2020-18494"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hdfgroup/hdf5",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f3f29dc7df5f3cc41a5e9462d8c415e540cda3d6"
                },
                {
                  "last_affected": "f3f29dc7df5f3cc41a5e9462d8c415e540cda3d6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hdfgroup:hdf5:1.10.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.10.4"
                      },
                      {
                        "last_affected": "1.10.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.10.4",
            "hdf5-1_10_4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-18494.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:39.980387298Z",
      "provider": "osv",
      "references": [
        "https://github.com/magicSwordsMan/PAAFS/tree/master/vul12"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-18494",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434810,
  "published_at": "2023-08-22T19:15:55.267+00:00"
}