{"schema_version":"1.7.3","id":"OSV-2018-82","published":"2021-01-13T00:00:38.893481Z","modified":"2022-04-13T03:04:33.012251Z","summary":"Heap-buffer-overflow in OT::LigatureSubstFormat1::closure","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10081\n\n```\nCrash type: Heap-buffer-overflow READ 8\nCrash state:\nOT::LigatureSubstFormat1::closure\n_hb_void_t const* OT::hb_closure_context_t::dispatch<OT::LigatureSubstFormat1>\nOT::hb_closure_context_t::return_t OT::LigatureSubst::dispatch<OT::hb_closure_co\n```\n","affected":[{"package":{"name":"harfbuzz","ecosystem":"OSS-Fuzz","purl":"pkg:generic/harfbuzz"},"ranges":[{"type":"GIT","repo":"https://github.com/harfbuzz/harfbuzz.git","events":[{"introduced":"acce1fa3ea9707d0883cd66397fd187d3268905c"},{"fixed":"2dde6c803a9e50c5bff74095187b0cb2e12eebdd"}]}],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2018-82.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10081"}]}