CVE-2026-45151 PUBLISHED

NanoMQ: NULL Pointer Dereference

Assigner: GitHub_M
Reserved: 08.05.2026 Published: 29.05.2026 Updated: 29.05.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 2.9

Product Status

Vendor nanomq
Product nanomq
Versions
  • Version <= 0.24.8 is affected

References

Problem Types

  • CWE-476: NULL Pointer Dereference CWE