{"id":"OSV-2020-1228","aliases":[],"status":"published","title":"Heap-use-after-free in arrow::internal::CountSetBits","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20120\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\narrow::internal::CountSetBits\narrow::Array::null_count\narrow::internal::ValidateArray\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-07-22T21:49:58.406648Z","modified":"2022-04-13T03:04:31Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"arrow","ranges":[{"type":"GIT","events":[{"introduced":"ccdc4b076cbd5fb03e1cbc42292def871d2b6035"},{"fixed":"724da320eaac94003a8f1229d6a820fe8c8c1816"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20120","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-1228","title":"Heap-use-after-free in arrow::internal::CountSetBits","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20120\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\narrow::internal::CountSetBits\narrow::Array::null_count\narrow::internal::ValidateArray\n```\n","status":"published","published":"2020-07-22T21:49:58.406648Z","modified":"2022-04-13T03:04:31.916896Z","updated_at":"2026-11-02T15:52:48.304316Z"}]}}