{"id":"OSV-2021-997","aliases":[],"status":"published","title":"Heap-buffer-overflow in ZSTD_createDDict_advanced","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36103\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nZSTD_createDDict_advanced\nZSTD_createDDict\nblosc_run_decompression_with_context\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-07-14T00:01:21.159182Z","modified":"2022-06-16T00:04:17Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"c-blosc2","ranges":[{"type":"GIT","events":[{"introduced":"861ba79f31393dec0a0782ca11cf32cebb6f6610"},{"fixed":"7f4574f51ad7db56fc13de89e13e7893b1a82189"}]}],"versions":["v2.0.0","v2.0.0-rc2","v2.0.0.rc1","v2.0.1","v2.0.2","v2.0.3","v2.0.4","v2.1.0","v2.1.1"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36103","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-997","title":"Heap-buffer-overflow in ZSTD_createDDict_advanced","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36103\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nZSTD_createDDict_advanced\nZSTD_createDDict\nblosc_run_decompression_with_context\n```\n","status":"published","published":"2021-07-14T00:01:21.159182Z","modified":"2022-06-16T00:04:17.868354Z","updated_at":"2026-11-02T15:52:49.275624Z"}]}}