{"id":"OSV-2021-652","summary":"Heap-use-after-free in ZSTD_freeDDict","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33324\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nZSTD_freeDDict\nblosc2_free_ctx\nblosc2_schunk_free\n```\n","modified":"2023-02-04T00:11:28.495734Z","published":"2021-04-18T00:01:00.614418Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33324"}],"affected":[{"package":{"name":"c-blosc2","ecosystem":"OSS-Fuzz","purl":"pkg:generic/c-blosc2"},"ranges":[{"type":"GIT","repo":"https://github.com/Blosc/c-blosc2.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"],"ecosystem_specific":{"severity":"HIGH"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/c-blosc2/OSV-2021-652.yaml"}}],"schema_version":"1.7.3"}