{"id":"OSV-2021-676","aliases":[],"status":"published","title":"Heap-buffer-overflow in op_Const64","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33554\n\n```\nCrash type: Heap-buffer-overflow WRITE 8\nCrash state:\nop_Const64\nEvaluateExpression\nm3_LoadModule\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-04-23T00:00:13.384468Z","modified":"2022-08-31T00:19:46Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"wasm3","ranges":[{"type":"GIT","events":[{"introduced":"555f3ee408e736dd331534d01c37b526a6085d36"},{"fixed":"321ba58316e77b5f4d977897aaa4bdbe43a5e38b"}]}],"versions":["v0.5.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33554","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-676","title":"Heap-buffer-overflow in op_Const64","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33554\n\n```\nCrash type: Heap-buffer-overflow WRITE 8\nCrash state:\nop_Const64\nEvaluateExpression\nm3_LoadModule\n```\n","status":"published","published":"2021-04-23T00:00:13.384468Z","modified":"2022-08-31T00:19:46.676843Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}