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{"schema_version":"1.7.3","id":"OSV-2026-292","published":"2026-02-23T00:19:15.717984Z","modified":"2026-02-23T00:19:15.718280Z","summary":"UNKNOWN WRITE in <wasmtime::runtime::func::Func>::call_unchecked_raw::<","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=486503337\n\n```\nCrash type: UNKNOWN WRITE\nCrash state:\n<wasmtime::runtime::func::Func>::call_unchecked_raw::<\nwasmtime::runtime::component::func::call_post_return::<wasmtime::runtime::store:\n<<wasmtime::runtime::component::instance::Instance>::queue_call<\n```\n","affected":[{"package":{"name":"wasmtime","ecosystem":"OSS-Fuzz","purl":"pkg:generic/wasmtime"},"ranges":[{"type":"GIT","repo":"https://github.com/bytecodealliance/wasmtime","events":[{"introduced":"d54924aa387d9471a5be3de635e1243a63681342"},{"fixed":"c07c94d2f69265cb0661e446a4daee0de5e69cf1"}]}],"ecosystem_specific":{"severity":"HIGH"},"database_specific":{"fixed_range":"12e29c22879ab047ec13da8bc33634dd81820318:c07c94d2f69265cb0661e446a4daee0de5e69cf1","introduced_range":"3621d3e3d85a6e35b43bfbc072593a279d28bad0:ee7e125309f5bc784b8feb8969261ae41fb4703b","source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wasmtime/OSV-2026-292.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=486503337"}]}