google/flatbuffers

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FlatBuffers: Memory Efficient Serialization Library

Stars: 26.5k
Forks: 3.7k
Open beginner issues: 0
Indexed issues: 119

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

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119 open issues indexed

Heap Buffer Overflow/SIGSEGV in flatc via Unvalidated vtable_offset in Binary Headers Open

bug flatc

google/flatbuffers#8957 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Support vector of union for Go Open

golang

google/flatbuffers#8987 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Rust tests are broken on master Open

CI rust

google/flatbuffers#8994 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Heap buffer overflow in FlexBuffers ToString via strlen (4-byte PoC) Open

google/flatbuffers#9008 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Use-after-free / double-free in Parser::Deserialize via SymbolTable duplicate handling Open

google/flatbuffers#9009 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Bug] utils / EnsureDirExists silently ignores errors Open

google/flatbuffers#9022 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
flatbuffers::Parser::Deserialize() performs BFBS identifier probing before running schema verification. Could cause an out-of-bounds read Open

google/flatbuffers#9023 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[TS] generated typescript should be conformant to isolatedDeclarations and isolatedModules requirements Open

google/flatbuffers#9028 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Null Pointer Dereference in `JsonPrinter::PrintOffset()` for Union Types Open

google/flatbuffers#9033 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Heap Buffer Overflow in FlatBuffers Reflection Verifier Open

google/flatbuffers#9040 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Heap Buffer Overflow in FlexBuffers ToString Post-Verification Open

google/flatbuffers#9041 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
`Bus error***Exception` on armhf Open

google/flatbuffers#9050 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Out-of-Bounds Heap Read in `flatc --json` Open

google/flatbuffers#9051 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Feature Request: Official Zig language support for FlatBuffers code generation Open

google/flatbuffers#9052 · 0 comments · 5 reactions · 0 assignees · Indexed Sep 16, 2026
Support --root-type when compiling from proto Open

google/flatbuffers#9055 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
python stub for pack has incorrect type Open

google/flatbuffers#9057 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
parser_.opts.python_decode_obj_api_strings doesn't apply for vector of strings Open

google/flatbuffers#9059 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Pack() method incorrectly accesses fixed array of structs as single object in Python object API Open

google/flatbuffers#9061 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Transitive dependency on grpc-java causes bzlmod resolution failure Open

google/flatbuffers#9064 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Current release: generated code variables collision (possible regression) Open

google/flatbuffers#9066 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Python gen for array within struct not set to staticmethod for length/isnone Open

google/flatbuffers#9069 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Net add support System.Buffers.IBufferWriter<byte> Open

google/flatbuffers#9070 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
JSON schema generation does not allow differentiation between double and float Open

google/flatbuffers#9071 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[CPP] Swift code gRPC generator refactoring Open

swift

google/flatbuffers#9073 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Unbounded Recursion / Stack Overflow in flexbuffers::Reference::ToString via Nested Vectors Open

google/flatbuffers#9074 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Swift] Investigate whether marking Objects as Sendable Open

google/flatbuffers#9075 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Missing Null-Terminator Content Check in VerifyTerminator() Open

documentation

google/flatbuffers#9085 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Dart] Enums with "bit_flags" cannot be used as bit flags Open

google/flatbuffers#9087 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Dart] Support for `--gen-compare` Open

google/flatbuffers#9091 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Dart] Support for required non-scalars Open

google/flatbuffers#9093 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Dart] Struct builders do not prepare full inline struct alignment/size before writing fields Open

google/flatbuffers#9099 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add module-info.java to flatbuffers-java for JPMS support Open

google/flatbuffers#9111 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
OSS-Fuzz issue 522117389 Open

google/flatbuffers#9127 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
flatc generates invalid C++ code with `--grpc-callback-api` Open

google/flatbuffers#9130 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
SEGV in `StructDef::Deserialize` via `IsStruct` on a bfbs schema that passes `VerifySchemaBuffer` Open

google/flatbuffers#9144 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Question about the choice of padding fields Open

google/flatbuffers#9151 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Memory corruption in FlatBuffers MiniReflect leading to reliable DoS after verification Open

google/flatbuffers#9152 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
crates.io release cycle Open

google/flatbuffers#9153 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Out-of-bounds memory access in memcpy_downward when in_use sizes exceed buffer sizes Open

google/flatbuffers#9162 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
PyPI wheel missing LICENSE file Open

google/flatbuffers#9170 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark) Open

google/flatbuffers#9175 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark) Open

google/flatbuffers#9176 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark) Open

google/flatbuffers#9177 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark) Open

google/flatbuffers#9178 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[C++][Java] Cross language incompatability when working with maps Open

google/flatbuffers#9180 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[C++] FlatBufferBuilder writes unreadable buffers on targets where alignof(scalar) < sizeof(scalar) Open

google/flatbuffers#9182 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Request for the fairness review Open

google/flatbuffers#9185 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Rust: Verifier::reset() does not reset apparent_size (duplicated num_tables assignment) Open

google/flatbuffers#9189 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Publish a Linux ARM64 flatc in releases Open

google/flatbuffers#9191 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Heap Out-of-Bounds Write via Integer Overflow in FlatBufferBuilder Open

google/flatbuffers#9193 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

google/flatbuffers

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