CVE-2026-44640

CVE-2026-44640 affects NanoMQ (MQTT Broker). The issue is a type confusion in the QUIC dialer: aio->prov_data is stored as nni_quic_conn * during dialing but read as ex_quic_conn * during dialer close, leading to invalid object interpretation and a close-path hang/crash. This describes the vul...