{"id":"OSV-2021-1229","aliases":[],"status":"published","title":"Heap-buffer-overflow in flatbuffers::JsonPrinter::GenFieldOffset","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38371\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nflatbuffers::JsonPrinter::GenFieldOffset\nflatbuffers::JsonPrinter::GenStruct\nflatbuffers::GenerateText\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-09-12T00:00:09.534319Z","modified":"2022-04-13T03:04:42Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"flatbuffers","ranges":[{"type":"GIT","events":[{"introduced":"8fb8c2ce1dff00bc1455aba0770eb7eae9a06ece"},{"fixed":"0fadaf391d55aac675e6cff122c83bf52eeabc2a"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38371","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-1229","title":"Heap-buffer-overflow in flatbuffers::JsonPrinter::GenFieldOffset","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38371\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nflatbuffers::JsonPrinter::GenFieldOffset\nflatbuffers::JsonPrinter::GenStruct\nflatbuffers::GenerateText\n```\n","status":"published","published":"2021-09-12T00:00:09.534319Z","modified":"2022-04-13T03:04:42.07312Z","updated_at":"2026-11-02T15:52:48.780247Z"}]}}