{"id":"OSV-2021-464","aliases":[],"status":"published","title":"Heap-buffer-overflow in blosc_read_header","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31535\n\n```\nCrash type: Heap-buffer-overflow READ 16\nCrash state:\nblosc_read_header\nblosc2_cbuffer_sizes\nframe_get_lazychunk\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-03-01T00:01:15.739563Z","modified":"2022-04-13T03:04:40Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"c-blosc2","ranges":[{"type":"GIT","events":[{"introduced":"5d06b75a46ebc8ced68b2c5c11cd771aac0a4270"},{"fixed":"4f6d42ab4b25e781dad94c5324dab8a4dbb702ad"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31535","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-464","title":"Heap-buffer-overflow in blosc_read_header","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31535\n\n```\nCrash type: Heap-buffer-overflow READ 16\nCrash state:\nblosc_read_header\nblosc2_cbuffer_sizes\nframe_get_lazychunk\n```\n","status":"published","published":"2021-03-01T00:01:15.739563Z","modified":"2022-04-13T03:04:40.254932Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}