{"id":"OSV-2020-27","aliases":[],"status":"published","title":"Heap-buffer-overflow in parquet::LevelDecoder::SetData","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20940\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nparquet::LevelDecoder::SetData\nparquet::ColumnReaderImplBase\u003cparquet::PhysicalType\u003c\nparquet::internal::TypedRecordReader\u003cparquet::PhysicalType\u003c\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-06-24T01:51:10.819423Z","modified":"2022-04-13T03:04:31Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"arrow","ranges":[{"type":"GIT","events":[{"introduced":"431fdbfbc0fb4bb16c4a89298404ad16784db2a0"},{"fixed":"5ba0b643f2b7f5a183d67b40a63f7e67e42ec8bd"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20940","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-27","title":"Heap-buffer-overflow in parquet::LevelDecoder::SetData","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20940\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nparquet::LevelDecoder::SetData\nparquet::ColumnReaderImplBase\u003cparquet::PhysicalType\u003c\nparquet::internal::TypedRecordReader\u003cparquet::PhysicalType\u003c\n```\n","status":"published","published":"2020-06-24T01:51:10.819423Z","modified":"2022-04-13T03:04:31.823547Z","updated_at":"2026-11-02T15:52:48.531106Z"}]}}