{"id":"OSV-2021-1633","aliases":[],"status":"published","title":"Heap-buffer-overflow in mk_string_copy_substr","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41448\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nmk_string_copy_substr\nmk_rconf_read\nmk_rconf_open\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-11-29T00:00:13.76247Z","modified":"2022-04-13T03:04:38Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"fluent-bit","ranges":[{"type":"GIT","events":[{"introduced":"1c3811ba12bf924a96c916e2409a0d41c336debf"},{"fixed":"e16a7daa4b8d4ec28f1e91be3570f99b03deba7c"},{"fixed":"c5741b48c24aa80ddd820e6f42e6ce8fc5f5d98b"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41448","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-1633","title":"Heap-buffer-overflow in mk_string_copy_substr","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41448\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nmk_string_copy_substr\nmk_rconf_read\nmk_rconf_open\n```\n","status":"published","published":"2021-11-29T00:00:13.76247Z","modified":"2022-04-13T03:04:38.256357Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}