osv-2023-838
Vulnerability from osv_ossfuzz
Published
2023-09-12 14:01
Modified
2025-07-22 14:22
Summary
Use-of-uninitialized-value in wabt::BinaryReaderIR::OnOpcode
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62267

Crash type: Use-of-uninitialized-value
Crash state:
wabt::BinaryReaderIR::OnOpcode
wabt::BinaryReader::ReadInstructions
wabt::ReadBinary
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "a55fb9466f2f886cf0c5bcadab97900f1e0a5789:fde4ca34a5ad55cbaf2327f5df658149e1a53364"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "wabt",
        "purl": "pkg:generic/wabt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "65ce49a6d307b101aa058da8269e1ccae43feeb9"
            },
            {
              "fixed": "fde4ca34a5ad55cbaf2327f5df658149e1a53364"
            }
          ],
          "repo": "https://github.com/WebAssembly/wabt",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.0.30",
        "1.0.31",
        "1.0.32",
        "1.0.33",
        "1.0.34",
        "1.0.35",
        "1.0.36",
        "1.0.37"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62267\n\n```\nCrash type: Use-of-uninitialized-value\nCrash state:\nwabt::BinaryReaderIR::OnOpcode\nwabt::BinaryReader::ReadInstructions\nwabt::ReadBinary\n```\n",
  "id": "OSV-2023-838",
  "modified": "2025-07-22T14:22:12.701561Z",
  "published": "2023-09-12T14:01:08.316035Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62267"
    }
  ],
  "schema_version": "1.6.0",
  "summary": "Use-of-uninitialized-value in wabt::BinaryReaderIR::OnOpcode"
}


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