CVE-2026-45151

NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. In 0.24.8 and earlier, quic_stream_recv can dereference a null substream pointer when a substream is in reopen state. The code finishes the AIO with error but does not return before locking c->mtx.

More information : https://github.com/nanomq/nanomq/security/advisories/GHSA-9qhf-wgp4-p7w5