osv-2026-169
Vulnerability from osv_ossfuzz
Published
2026-02-01 00:01
Modified
2026-02-01 00:01
Summary
Null-dereference READ in execute_post_instantiate_functions
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=479872443

Crash type: Null-dereference READ
Crash state:
execute_post_instantiate_functions
wasm_instantiate
wasm_runtime_instantiate

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "fcec30e93387cadcaa0a7eff3d3a6ec84e91f9fd:8d069c230c3cc83c622c4d338d84475ff15e3a00"
      },
      "ecosystem_specific": {
        "severity": null
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "wamr",
        "purl": "pkg:generic/wamr"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9a23968fdacc0df4ec7066bc19a412f8b7a8bd69"
            },
            {
              "fixed": "8d069c230c3cc83c622c4d338d84475ff15e3a00"
            }
          ],
          "repo": "https://github.com/bytecodealliance/wasm-micro-runtime",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=479872443\n\n```\nCrash type: Null-dereference READ\nCrash state:\nexecute_post_instantiate_functions\nwasm_instantiate\nwasm_runtime_instantiate\n```\n",
  "id": "OSV-2026-169",
  "modified": "2026-02-01T00:01:05.927997Z",
  "published": "2026-02-01T00:01:05.927662Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=479872443"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Null-dereference READ in execute_post_instantiate_functions"
}


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