{"id":"OSV-2023-838","summary":"Use-of-uninitialized-value in wabt::BinaryReaderIR::OnOpcode","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","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"}],"affected":[{"package":{"name":"wabt","ecosystem":"OSS-Fuzz","purl":"pkg:generic/wabt"},"ranges":[{"type":"GIT","repo":"https://github.com/WebAssembly/wabt","events":[{"introduced":"65ce49a6d307b101aa058da8269e1ccae43feeb9"},{"fixed":"fde4ca34a5ad55cbaf2327f5df658149e1a53364"}]}],"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"],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"fixed_range":"a55fb9466f2f886cf0c5bcadab97900f1e0a5789:fde4ca34a5ad55cbaf2327f5df658149e1a53364","source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wabt/OSV-2023-838.yaml"}}],"schema_version":"1.7.3"}