---
tags:
  - security
  - proof-of-concept
  - protobuf
license: mit
---

# Protocol Buffers Publishing codeowner_github_teams materialization DoS PoC

This repository contains a benign security research PoC for a `.pb` artifact
that drives repeated-string materialization during
`client_pb2.Publishing.ParseFromString(...)`.

Files:

- `control_one_documentation_uri.pb`
- `malicious_codeowner_github_teams_5000000.pb`
- `reproduce.py`