{"id":"OSV-2021-520","aliases":[],"status":"published","title":"Heap-buffer-overflow in flatbuffers::EscapeString","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32008\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nflatbuffers::EscapeString\nflexbuffers::Reference::ToString\nvoid flexbuffers::AppendToString\u003cflexbuffers::Vector\u003e\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-03-14T00:00:58.325013Z","modified":"2022-04-13T03:04:42Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"flatbuffers","ranges":[{"type":"GIT","events":[{"introduced":"8573108bbef495f3dd13db8353f43b2e86d25950"},{"fixed":"4d0e9a870610fb3d50d03b110dcd18388ed30bdd"}]}],"versions":["v2.0.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32008","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-520","title":"Heap-buffer-overflow in flatbuffers::EscapeString","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32008\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nflatbuffers::EscapeString\nflexbuffers::Reference::ToString\nvoid flexbuffers::AppendToString\u003cflexbuffers::Vector\u003e\n```\n","status":"published","published":"2021-03-14T00:00:58.325013Z","modified":"2022-04-13T03:04:42.067747Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}