Issues

• [C++] Object API: Pack() dereferences null when a union has its type set but no value (buffer passes the verifier)

  google/flatbuffers#9416 · Filter by author professor-moody opened on Oct 18, 2026

• [Go] Object size is not considered during vtable de-duplication

  google/flatbuffers#9413 · Filter by author rustyconover opened on Oct 17, 2026

• Pilot: adopt the Safe Buffers model (-Wunsafe-buffer-usage) for idl_parser.cpp

  google/flatbuffers#9314 · Filter by author mounichalla06 opened on Oct 9, 2026

• Runtime hardening: unverified GetRoot/table/vector access allows OOB read/crash from tiny buffers + insecure sample

  google/flatbuffers#9295 · Filter by author siddharthpathak176-source opened on Oct 2, 2026

• [GLD Serializer Benchmark] Swift FlatBuffers 24.3.25 — spec compliance misses

  google/flatbuffers#9256 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] Rust flexbuffers 2.0.0 — spec compliance misses

  google/flatbuffers#9255 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] Python flexbuffers — spec compliance misses

  google/flatbuffers#9254 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] Python flatbuffers 25.12.19 — spec compliance misses

  google/flatbuffers#9253 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] Kotlin flatbuffers 24.3.25 — spec compliance misses

  google/flatbuffers#9252 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] JavaScript flexbuffers 24.12.23 — spec compliance misses

  google/flatbuffers#9251 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] JavaScript flatbuffers 24.12.23 — spec compliance misses

  google/flatbuffers#9250 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] Java flatbuffers unknown — spec compliance misses

  google/flatbuffers#9249 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] C++ flexbuffers flatbuffers-flex — spec compliance misses

  google/flatbuffers#9248 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] C++ flatbuffers flatbuffers — spec compliance misses

  google/flatbuffers#9247 · Filter by author leo-gan opened on Sep 14, 2026

• Allow to disable lowercase snake_case warning for fields

  google/flatbuffers#9243 · Filter by author hasselmm opened on Sep 14, 2026

• [Rust] Clarify MSRV and Clippy policy

  google/flatbuffers#9238 · Filter by author avalon1k opened on Sep 11, 2026

• [Rust] Add paired doctests for vector unsafe-call contracts

  google/flatbuffers#9232 · Filter by author mhusnain8721 opened on Sep 9, 2026

• [Python] flatc --python silently overwrites existing __init__.py files

  google/flatbuffers#9229 · Filter by author d3r1n opened on Sep 8, 2026

• [Python] Generated type stubs don't work

  google/flatbuffers#9224 · Filter by author MKuranowski opened on Sep 4, 2026
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• [Python] Incorrect usage of py.typed marker

  google/flatbuffers#9223 · Filter by author MKuranowski opened on Sep 4, 2026

• [benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark)

  google/flatbuffers#9221 · Filter by author leo-gan opened on Sep 4, 2026

• CMake package should expose a single canonical flatbuffers::flatbuffers target

  google/flatbuffers#9206 · Filter by author alexreinking opened on Aug 24, 2026

• OSS-Fuzz issue 542909756

  google/flatbuffers#9194 · Filter by author oss-fuzz-robot opened on Aug 5, 2026

• Heap Out-of-Bounds Write via Integer Overflow in FlatBufferBuilder

  google/flatbuffers#9193 · Filter by author zwst061106-bot opened on Aug 5, 2026

• Publish a Linux ARM64 flatc in releases

  google/flatbuffers#9191 · Filter by author CommanderTvis opened on Jul 31, 2026