{"id":"OSV-2023-380","aliases":[],"status":"published","title":"UNKNOWN WRITE in bool OT::Layout::Common::Coverage::serialize\u003chb_map_iter_t\u003chb_map_iter_t\u003chb_filt","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58663\n\n```\nCrash type: UNKNOWN WRITE\nCrash state:\nbool OT::Layout::Common::Coverage::serialize\u003chb_map_iter_t\u003chb_map_iter_t\u003chb_filt\nOT::Layout::GSUB_impl::SingleSubstFormat2_4\u003cOT::Layout::SmallTypes\u003e::subset\nhb_subset_context_t::return_t OT::Layout::GSUB_impl::SubstLookupSubTable::dispat\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-05-07T14:02:23.816056Z","modified":"2023-05-07T14:02:23Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"harfbuzz","ranges":[{"type":"GIT","events":[{"introduced":"1be39729140a6d726de164746e516c1fe5afcb19"},{"fixed":"cda646a598207642721b753ef5abcebb2525f61b"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58663","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-380","title":"UNKNOWN WRITE in bool OT::Layout::Common::Coverage::serialize\u003chb_map_iter_t\u003chb_map_iter_t\u003chb_filt","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58663\n\n```\nCrash type: UNKNOWN WRITE\nCrash state:\nbool OT::Layout::Common::Coverage::serialize\u003chb_map_iter_t\u003chb_map_iter_t\u003chb_filt\nOT::Layout::GSUB_impl::SingleSubstFormat2_4\u003cOT::Layout::SmallTypes\u003e::subset\nhb_subset_context_t::return_t OT::Layout::GSUB_impl::SubstLookupSubTable::dispat\n```\n","status":"published","published":"2023-05-07T14:02:23.816056Z","modified":"2023-05-07T14:02:23.816302Z","updated_at":"2026-11-02T15:52:49.747775Z"}]}}