{"id":"OSV-2021-27","summary":"Heap-buffer-overflow in ZSTD_createDDict_advanced","details":"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","modified":"2022-04-13T03:04:40.291698Z","published":"2021-01-08T00:00:22.452598Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29369"}],"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":"67f327a7af1e182d3001ae78d8e39178eb80ea56"},{"fixed":"c473b21cff5e1a459b4467f18bf7414114f848fd"}]}],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/c-blosc2/OSV-2021-27.yaml"}}],"schema_version":"1.7.3"}