{"id":"OSV-2020-484","aliases":[],"status":"published","title":"Heap-buffer-overflow in AAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::driver_context_t::transition","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12532\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nAAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::driver_context_t::transition\nvoid AAT::StateTableDriver\u003cAAT::ExtendedTypes, AAT::KerxSubTableFormat4\u003cAAT::Ker\nAAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::apply\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-07-01T00:00:12.297418Z","modified":"2022-04-13T03:04:32Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"harfbuzz","ranges":[{"type":"GIT","events":[{"introduced":"4009a05ca7de21fff2176621597cd0cd01e9d80e"},{"fixed":"cc8e9a436fa408a1c63f4b9afb7643cea76a079c"}]}],"versions":["2.2.0","2.3.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12532","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-484","title":"Heap-buffer-overflow in AAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::driver_context_t::transition","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12532\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nAAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::driver_context_t::transition\nvoid AAT::StateTableDriver\u003cAAT::ExtendedTypes, AAT::KerxSubTableFormat4\u003cAAT::Ker\nAAT::KerxSubTableFormat4\u003cAAT::KerxSubTableHeader\u003e::apply\n```\n","status":"published","published":"2020-07-01T00:00:12.297418Z","modified":"2022-04-13T03:04:32.842142Z","updated_at":"2026-11-02T15:52:48.780247Z"}]}}