osv-2026-582
Vulnerability from osv_ossfuzz
Published
2026-04-17 00:06
Modified
2026-04-17 00:06
Summary
Use-of-uninitialized-value in H5S_select_hyperslab
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=502905691

Crash type: Use-of-uninitialized-value
Crash state:
H5S_select_hyperslab
H5D__chunk_io_init
H5D__read
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "922667d77051b57f9b855646d3ea98f507c59aa3:6ee36c1c832c6b39f97e8740ceacc96690f2f9cb",
        "introduced_range": "017180a9f75724c7fe90378362ab68beaa2426f2:65dca5fb5430340b065431b3568d01985b45c5ee"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "matio",
        "purl": "pkg:generic/matio"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "a0210352e032d2fd78a8b228bb602db4bf78e897"
            },
            {
              "fixed": "ec23a0328b0261bb11e1b7d394cd57b27fc517bb"
            },
            {
              "fixed": "6ee36c1c832c6b39f97e8740ceacc96690f2f9cb"
            }
          ],
          "repo": "https://github.com/tbeu/matio.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=502905691\n\n```\nCrash type: Use-of-uninitialized-value\nCrash state:\nH5S_select_hyperslab\nH5D__chunk_io_init\nH5D__read\n```\n",
  "id": "OSV-2026-582",
  "modified": "2026-04-17T00:06:23.620035Z",
  "published": "2026-04-17T00:06:23.619732Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=502905691"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Use-of-uninitialized-value in H5S_select_hyperslab"
}


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