{"id":"OSV-2021-618","aliases":[],"status":"published","title":"Heap-buffer-overflow in OT::AnchorFormat1* hb_serialize_context_t::embed\u003cOT::AnchorFormat1\u003e","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33031\n\n```\nCrash type: Heap-buffer-overflow READ 6\nCrash state:\nOT::AnchorFormat1* hb_serialize_context_t::embed\u003cOT::AnchorFormat1\u003e\nOT::AnchorFormat1::copy\nOT::Anchor::subset\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-04-09T00:01:00.954975Z","modified":"2022-04-13T03:04:32Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"harfbuzz","ranges":[{"type":"GIT","events":[{"introduced":"6f98a8ed4627b662d9591649328d2d302fc01987"},{"fixed":"9dc9f0385dce05456d48730bf5dc7cac52eaa4da"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33031","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-618","title":"Heap-buffer-overflow in OT::AnchorFormat1* hb_serialize_context_t::embed\u003cOT::AnchorFormat1\u003e","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33031\n\n```\nCrash type: Heap-buffer-overflow READ 6\nCrash state:\nOT::AnchorFormat1* hb_serialize_context_t::embed\u003cOT::AnchorFormat1\u003e\nOT::AnchorFormat1::copy\nOT::Anchor::subset\n```\n","status":"published","published":"2021-04-09T00:01:00.954975Z","modified":"2022-04-13T03:04:32.798219Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}