Heap-buffer-overflow in H5G__node_found

{
  "id": "205b30c210b02e78d30712b176ffc785acc7d473749cf4d0351b25d98549a5a4",
  "url": "https://osv.dev/vulnerability/OSV-2021-1580",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Heap-buffer-overflow in H5G__node_found",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41011 ``` Crash type: Heap-buffer-overflow READ 15 Crash state: H5G__node_found H5B_find H5G__stab_lookup ```",
    "evidence": "osv:OSV-2021-1580",
    "products": [
      {
        "name": {
          "value": "matio",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "v1.5.18",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.19",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.20",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.21",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.22",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.23",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2021-1580",
      "aliases": [
        "OSV-2021-1580"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "git://git.code.sf.net/p/matio/matio",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f94c087aa9be54ec86a01e267b80fd61108069be"
                },
                {
                  "fixed": "7019a4c5212ab34ee336d77b9d6965920944b41a"
                }
              ]
            }
          ],
          "package": {
            "name": "matio",
            "purl": "pkg:generic/matio",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "v1.5.18",
            "v1.5.19",
            "v1.5.20",
            "v1.5.21",
            "v1.5.22",
            "v1.5.23"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2021-1580.yaml",
            "introduced_range": "7a9958485036ef37b4e88df5cbe32bd7ec4c0d25:6540087e697ca2b8950bada3d4ca653951b467dc"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM"
          }
        }
      ],
      "modified": "2026-10-20T17:24:24.663318479Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41011"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 389810,
  "published_at": "2021-11-15T00:00:41.52881+00:00"
}