{"id":"OSV-2022-111","aliases":[],"status":"published","title":"Heap-use-after-free in OT::CoverageFormat1::intersected_coverage_glyphs","description":"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\u003cOT::hb_clos\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2022-02-02T00:00:17.029431Z","modified":"2022-04-13T03:04:33Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"harfbuzz","ranges":[{"type":"GIT","events":[{"introduced":"bc899650c7976df7bc62ed55da5268f1d10b9a43"},{"fixed":"4e2f409bce77b97de2d098365977beeeb4447b1e"}]}],"versions":["3.3.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2022-111","title":"Heap-use-after-free in OT::CoverageFormat1::intersected_coverage_glyphs","description":"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\u003cOT::hb_clos\n```\n","status":"published","published":"2022-02-02T00:00:17.029431Z","modified":"2022-04-13T03:04:33.208408Z","updated_at":"2026-11-02T15:52:49.275624Z"}]}}