{"id":"OSV-2021-242","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=29939\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nrans_uncompress_to_4x16\nrans_decode\nuncompress\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-01-26T23:45:33.235035Z","modified":"2022-04-13T03:04:32Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"htslib","ranges":[{"type":"GIT","events":[{"introduced":"0d1971cbebb269d90a563464e4f56987290e20ab"},{"fixed":"9d9e60c83487a8ac4644079e9636e34a9dd4bb08"},{"fixed":"b8dcbd12b2c535fb792a5dfb275e875b626e929d"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29939","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-242","title":"Heap-buffer-overflow in rans_uncompress_to_4x16","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29939\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nrans_uncompress_to_4x16\nrans_decode\nuncompress\n```\n","status":"published","published":"2021-01-26T23:45:33.235035Z","modified":"2022-04-13T03:04:32.338631Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}