Use-of-uninitialized-value in wabt::BinaryReaderObjdump::PrintInitExpr

{
  "id": "6df908bc9e7bce34e94dd057278d7964dc5756e86ff205087185139771ea676f",
  "url": "https://osv.dev/vulnerability/OSV-2024-398",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Use-of-uninitialized-value in wabt::BinaryReaderObjdump::PrintInitExpr",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65975 ``` Crash type: Use-of-uninitialized-value Crash state: wabt::BinaryReaderObjdump::PrintInitExpr wabt::BinaryReaderObjdump::EndInitExpr wabt::BinaryReaderObjdump::EndGlobalInitExpr ```",
    "evidence": "osv:OSV-2024-398",
    "products": [
      {
        "name": {
          "value": "wabt",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.0.30",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.31",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.32",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.33",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.34",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.35",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.36",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.37",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.38",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.39",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.40",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.41",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.0.42",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2024-398",
      "aliases": [
        "OSV-2024-398"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/WebAssembly/wabt",
              "type": "GIT",
              "events": [
                {
                  "introduced": "65ce49a6d307b101aa058da8269e1ccae43feeb9"
                }
              ]
            }
          ],
          "package": {
            "name": "wabt",
            "purl": "pkg:generic/wabt",
            "ecosystem": "OSS-Fuzz"
          },
          "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",
            "1.0.38",
            "1.0.39",
            "1.0.40",
            "1.0.41",
            "1.0.42"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wabt/OSV-2024-398.yaml"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM"
          }
        }
      ],
      "modified": "2026-10-19T15:03:01.996588Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65975"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 375255,
  "published_at": "2024-05-01T00:11:38.602555+00:00"
}