{"id":"OSV-2021-1153","aliases":[],"status":"published","title":"Heap-buffer-overflow in hb_array_t\u003cOT::IntType\u003cunsigned int, 4u\u003e const\u003e hb_array_t\u003cOT::IntType\u003cunsigned","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37348\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nhb_array_t\u003cOT::IntType\u003cunsigned int, 4u\u003e const\u003e hb_array_t\u003cOT::IntType\u003cunsigned \nOT::UnsizedArrayOf\u003cOT::IntType\u003cunsigned int, 4u\u003e \u003e::copy\n_hb_head_t\u003cOT::UnsizedArrayOf\u003cOT::IntType\u003cunsigned int, 4u\u003e \u003e*, decltype\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-08-20T00:00:40.299081Z","modified":"2022-04-13T03:27:39Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"harfbuzz","ranges":[{"type":"GIT","events":[{"introduced":"a6c6cda48608e988a7debc3c18597186e3b4e2ee"},{"fixed":"829b0f33531b3c14b2e08331b8cc5b31fed73129"}]}],"versions":["2.9.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37348","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-1153","title":"Heap-buffer-overflow in hb_array_t\u003cOT::IntType\u003cunsigned int, 4u\u003e const\u003e hb_array_t\u003cOT::IntType\u003cunsigned ","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37348\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nhb_array_t\u003cOT::IntType\u003cunsigned int, 4u\u003e const\u003e hb_array_t\u003cOT::IntType\u003cunsigned \nOT::UnsizedArrayOf\u003cOT::IntType\u003cunsigned int, 4u\u003e \u003e::copy\n_hb_head_t\u003cOT::UnsizedArrayOf\u003cOT::IntType\u003cunsigned int, 4u\u003e \u003e*, decltype\n```\n","status":"published","published":"2021-08-20T00:00:40.299081Z","modified":"2022-04-13T03:27:39.250416Z","updated_at":"2026-11-02T15:52:48.780247Z"}]}}