{"id":"OSV-2020-1058","aliases":[],"status":"published","title":"Heap-buffer-overflow in arrow::UnionType::UnionType","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20116\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\narrow::UnionType::UnionType\narrow::union_\narrow::ipc::internal::ConcreteTypeFromFlatbuffer\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-07-22T21:49:43.983439Z","modified":"2022-04-13T03:04:31Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"arrow","ranges":[{"type":"GIT","events":[{"introduced":"ccdc4b076cbd5fb03e1cbc42292def871d2b6035"},{"fixed":"a6307cc8a0127a4852b7d3d2c20940a094eed0d6"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20116","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-1058","title":"Heap-buffer-overflow in arrow::UnionType::UnionType","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20116\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\narrow::UnionType::UnionType\narrow::union_\narrow::ipc::internal::ConcreteTypeFromFlatbuffer\n```\n","status":"published","published":"2020-07-22T21:49:43.983439Z","modified":"2022-04-13T03:04:31.899224Z","updated_at":"2026-11-02T15:52:48.304316Z"}]}}