{"id":"OSV-2023-27","aliases":[],"status":"published","title":"Heap-buffer-overflow in OT::Layout::GPOS_impl::PairSet\u003cOT::Layout::MediumTypes\u003e::apply","description":"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\u003cOT::Layout::MediumTypes\u003e::apply\nOT::Layout::GPOS_impl::PairPosFormat1_3\u003cOT::Layout::MediumTypes\u003e::apply\nbool OT::hb_accelerate_subtables_context_t::apply_to\u003cOT::Layout::GPOS_impl::Pair\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-01-23T13:01:48.208593Z","modified":"2023-01-23T13:01:48Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"harfbuzz","ranges":[{"type":"GIT","events":[{"introduced":"af450a757d8471e55b71d1f3eb3c1e1fd3390d7b"},{"fixed":"b63159e8bf579345a6f56d04ad1b2c28eee66bac"}]}],"versions":["6.0.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55287","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-27","title":"Heap-buffer-overflow in OT::Layout::GPOS_impl::PairSet\u003cOT::Layout::MediumTypes\u003e::apply","description":"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\u003cOT::Layout::MediumTypes\u003e::apply\nOT::Layout::GPOS_impl::PairPosFormat1_3\u003cOT::Layout::MediumTypes\u003e::apply\nbool OT::hb_accelerate_subtables_context_t::apply_to\u003cOT::Layout::GPOS_impl::Pair\n```\n","status":"published","published":"2023-01-23T13:01:48.208593Z","modified":"2023-01-23T13:01:48.208833Z","updated_at":"2026-11-02T15:52:49.747775Z"}]}}