Issues

• upb: oneof field index wraps near the 65,535-field limit

  buguntriaged
  protocolbuffers/protobuf#31370 · Filter by author mappygrid opened on Nov 6, 2026
  1

• Protoc crashes on a dotted option that leaves required fields unset

  buguntriaged
  protocolbuffers/protobuf#31344 · Filter by author emcfarlane opened on Nov 5, 2026
  1

• upb: str_t's char[1] struct hack is an out-of-bounds index under -fstrict-flex-arrays (UBSan)

  protocolbuffers/protobuf#31323 · Filter by author pedrobtz opened on Nov 5, 2026

• Request for a published OpenPGP signing-key statement for Protocol Buffers POMs on Maven Central

  feature requestuntriaged
  protocolbuffers/protobuf#31261 · Filter by author Moufleh1 opened on Nov 3, 2026

• DescriptorPool.Find*ByName() segfaults on a str subclass whose __len__ raises

  bugpython
  protocolbuffers/protobuf#31250 · Filter by author theosotr opened on Nov 3, 2026
  

• php: RepeatedField iterator destructor destroys object properties twice

  bugphp
  protocolbuffers/protobuf#31162 · Filter by author 112sec opened on Oct 31, 2026
  

• php: DescriptorPool destructor destroys object properties twice

  buguntriaged
  protocolbuffers/protobuf#31161 · Filter by author 112sec opened on Oct 31, 2026

• PHP: DescriptorPool destructor destroys object properties twice

  buguntriaged
  protocolbuffers/protobuf#31160 · Filter by author 112sec opened on Oct 31, 2026

• php: integer array keys in Message::__construct are dereferenced as strings

  buguntriaged
  protocolbuffers/protobuf#31159 · Filter by author 112sec opened on Oct 31, 2026

• Py-upb: memory corruption reachable on adversarial py container implementations

  buguntriaged
  protocolbuffers/protobuf#31147 · Filter by author esrauchg opened on Oct 30, 2026

• upb: JSON encoder does not range-check Duration and Timestamp nanos (signed overflow on -2^31)

  protocolbuffers/protobuf#31032 · Filter by author pedrobtz opened on Oct 25, 2026

• upb: JSON encoder leaks the Any arena when encoding fails

  protocolbuffers/protobuf#31031 · Filter by author pedrobtz opened on Oct 25, 2026

• Inconsistent handling of empty pb.enumvalue.json values

  bugprotoc
  protocolbuffers/protobuf#30949 · Filter by author emcfarlane opened on Oct 23, 2026
  1

  

• [CMake] Support the native codegen target in protobuf_generate()

  feature request
  protocolbuffers/protobuf#30792 · Filter by author KUGA2 opened on Oct 19, 2026
  

• Prebuilt-protoc broken in 37.0-rc1

  bazelbugpackaging & distribution
  protocolbuffers/protobuf#30777 · Filter by author turmanticant opened on Oct 17, 2026
  

• Bazel: Split protobuf Bazel module across language boundaries

  feature request
  protocolbuffers/protobuf#30754 · Filter by author davido opened on Oct 16, 2026
  2

  

• Distribute Python type hints

  feature request
  protocolbuffers/protobuf#30731 · Filter by author sk- opened on Oct 15, 2026
  

• upb: use the overflow helpers for size arithmetic in the wire encoder

  protocolbuffers/protobuf#30686 · Filter by author vera-rubin opened on Oct 14, 2026
  

• Bazel: Non-Rust consumers inherit Rust compiler downloads via Protobuf

  bazelbugjava
  protocolbuffers/protobuf#30684 · Filter by author davido opened on Oct 14, 2026
  9

  

• upb: freeing a chain of upb_Arena_RefArena overflows the stack (SIGSEGV)

  bug
  protocolbuffers/protobuf#30640 · Filter by author devinrsmith opened on Oct 12, 2026
  

• C++ ProtoJSON rounds quoted 64-bit decimal/exponent integers and rejects an in-range value

  protocolbuffers/protobuf#30634 · Filter by author vera-rubin opened on Oct 12, 2026
  1

  

• Published wheel drops the Source link and SPDX license declared in setup.py

  python
  protocolbuffers/protobuf#30582 · Filter by author cemrehancavdar opened on Oct 9, 2026
  

• protobuf_generate() returns paths with // when a proto is directly in its import directory

  cmakefeature request
  protocolbuffers/protobuf#30479 · Filter by author 15daksh-2003 opened on Oct 6, 2026
  2

  

• protobuf_generate(): keep CMAKE_CURRENT_SOURCE_DIR as an import root when IMPORT_DIRS is set

  cmakefeature request
  protocolbuffers/protobuf#30478 · Filter by author 15daksh-2003 opened on Oct 6, 2026
  2

  

• C#: Make JsonFormatter.ToDiagnosticString honor debug_redact

  c#feature requestwait for user action
  protocolbuffers/protobuf#30455 · Filter by author raronen opened on Oct 5, 2026
  1