{"id":"OSV-2021-220","aliases":[],"status":"published","title":"Heap-buffer-overflow in rans_uncompress_to_4x16","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29795\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nrans_uncompress_to_4x16\nrans_uncompress_4x16\ncram_uncompress_block\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-01-23T00:00:03.732785Z","modified":"2022-04-13T03:04:32Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"htslib","ranges":[{"type":"GIT","events":[{"introduced":"0d1971cbebb269d90a563464e4f56987290e20ab"},{"fixed":"a01a139ac1fa365a688ec8734d62ef859a8bc416"},{"fixed":"90fef7300c75ca6b8834da0dcb710e27d599324e"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29795","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-220","title":"Heap-buffer-overflow in rans_uncompress_to_4x16","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29795\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nrans_uncompress_to_4x16\nrans_uncompress_4x16\ncram_uncompress_block\n```\n","status":"published","published":"2021-01-23T00:00:03.732785Z","modified":"2022-04-13T03:04:32.322384Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}