{"id":"OSV-2021-333","aliases":[],"status":"published","title":"Heap-buffer-overflow in int flatbuffers::ReadScalar\u003cint\u003e","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30699\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nint flatbuffers::ReadScalar\u003cint\u003e\nflatbuffers::Table::GetVTable\nflatbuffers::Table::GetOptionalFieldOffset\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-02-10T00:00:03.957076Z","modified":"2022-04-13T03:04:42Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"flatbuffers","ranges":[{"type":"GIT","events":[{"introduced":"6f3e45eca1fde7a68cb72fd4499a3647f719c9db"},{"fixed":"8fb8c2ce1dff00bc1455aba0770eb7eae9a06ece"}]}],"versions":["v2.0.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30699","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-333","title":"Heap-buffer-overflow in int flatbuffers::ReadScalar\u003cint\u003e","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30699\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nint flatbuffers::ReadScalar\u003cint\u003e\nflatbuffers::Table::GetVTable\nflatbuffers::Table::GetOptionalFieldOffset\n```\n","status":"published","published":"2021-02-10T00:00:03.957076Z","modified":"2022-04-13T03:04:42.062018Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}