{"schema_version":"1.7.3","id":"OSV-2022-111","published":"2022-02-02T00:00:17.029431Z","modified":"2022-04-13T03:04:33.208408Z","summary":"Heap-use-after-free in OT::CoverageFormat1::intersected_coverage_glyphs","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nOT::CoverageFormat1::intersected_coverage_glyphs\nOT::ChainContextFormat3::closure\nOT::hb_closure_context_t::return_t OT::SubstLookupSubTable::dispatch<OT::hb_clos\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":"bc899650c7976df7bc62ed55da5268f1d10b9a43"},{"fixed":"4e2f409bce77b97de2d098365977beeeb4447b1e"}]}],"versions":["3.3.0"],"ecosystem_specific":{"severity":"HIGH"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2022-111.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257"}]}