{"id":"OSV-2021-727","aliases":[],"status":"published","title":"UNKNOWN READ in MEM_read32","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33956\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nMEM_read32\nZSTD_compressBlock_greedy_extDict_row\nZSTD_ldm_blockCompress\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-05-05T00:00:30.975717Z","modified":"2022-04-13T03:04:31Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"zstd","ranges":[{"type":"GIT","events":[{"introduced":"0b370e9da8072c7fc967985e27a794b48555a6c7"},{"fixed":"d40f55cd950919d7eac951b122668e55e33e5202"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33956","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-727","title":"UNKNOWN READ in MEM_read32","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33956\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nMEM_read32\nZSTD_compressBlock_greedy_extDict_row\nZSTD_ldm_blockCompress\n```\n","status":"published","published":"2021-05-05T00:00:30.975717Z","modified":"2022-04-13T03:04:31.680876Z","updated_at":"2026-11-02T15:52:49.275624Z"}]}}