{"id":"OSV-2021-27","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=29369\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":"2021-01-08T00:00:22.452598Z","modified":"2022-04-13T03:04:40Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"c-blosc2","ranges":[{"type":"GIT","events":[{"introduced":"67f327a7af1e182d3001ae78d8e39178eb80ea56"},{"fixed":"c473b21cff5e1a459b4467f18bf7414114f848fd"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29369","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-27","title":"Heap-buffer-overflow in ZSTD_createDDict_advanced","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29369\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":"2021-01-08T00:00:22.452598Z","modified":"2022-04-13T03:04:40.291698Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}