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.
{ "ubuntu_priority": "medium", "availability": "No subscription required", "binaries": [ { "binary_name": "libzmq3", "binary_version": "4.0.4+dfsg-2ubuntu0.1" }, { "binary_name": "libzmq3-dbg", "binary_version": "4.0.4+dfsg-2ubuntu0.1" }, { "binary_name": "libzmq3-dbgsym", "binary_version": "4.0.4+dfsg-2ubuntu0.1" }, { "binary_name": "libzmq3-dev", "binary_version": "4.0.4+dfsg-2ubuntu0.1" }, { "binary_name": "libzmq3-dev-dbgsym", "binary_version": "4.0.4+dfsg-2ubuntu0.1" } ] }