UNKNOWN READ in H5T__bit_find

{
  "id": "378a81965403f1505470f717bf8e676e94a5adb3680e3fc9609548da7d0d75b1",
  "url": "https://osv.dev/vulnerability/OSV-2020-786",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UNKNOWN READ in H5T__bit_find",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23887 ``` Crash type: UNKNOWN READ Crash state: H5T__bit_find H5T__conv_i_i H5T_convert ```",
    "evidence": "osv:OSV-2020-786",
    "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"
          },
          {
            "value": "v1.5.24",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.25",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.26",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.27",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.28",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.29",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.5.30",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2020-786",
      "aliases": [
        "OSV-2020-786"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "git://git.code.sf.net/p/matio/matio",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f94c087aa9be54ec86a01e267b80fd61108069be"
                }
              ]
            }
          ],
          "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",
            "v1.5.24",
            "v1.5.25",
            "v1.5.26",
            "v1.5.27",
            "v1.5.28",
            "v1.5.29",
            "v1.5.30"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2020-786.yaml"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM",
            "introduced_range": "7a9958485036ef37b4e88df5cbe32bd7ec4c0d25:6540087e697ca2b8950bada3d4ca653951b467dc"
          }
        }
      ],
      "modified": "2026-10-19T14:18:24.313008Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23887"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 374782,
  "published_at": "2020-07-14T05:37:33.311187+00:00"
}