stream_engine.cpp in libzmq (aka ZeroMQ/C++)) 4.0.5 before 4.0.5 allows man-in-the-middle attackers to conduct downgrade attacks via a crafted connection request.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Zeromq | Zeromq | 4.0.0 (including) | 4.0.0 (including) |
| Zeromq | Zeromq | 4.0.4 (including) | 4.0.4 (including) |