{"schema_version":"1.7.3","id":"OSV-2023-27","published":"2023-01-23T13:01:48.208593Z","modified":"2023-01-23T13:01:48.208833Z","summary":"Heap-buffer-overflow in OT::Layout::GPOS_impl::PairSet<OT::Layout::MediumTypes>::apply","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55287\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nOT::Layout::GPOS_impl::PairSet<OT::Layout::MediumTypes>::apply\nOT::Layout::GPOS_impl::PairPosFormat1_3<OT::Layout::MediumTypes>::apply\nbool OT::hb_accelerate_subtables_context_t::apply_to<OT::Layout::GPOS_impl::Pair\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":"af450a757d8471e55b71d1f3eb3c1e1fd3390d7b"},{"fixed":"b63159e8bf579345a6f56d04ad1b2c28eee66bac"}]}],"versions":["6.0.0"],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2023-27.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55287"}]}