CVE-2026-54412

CVE-2026-54412 affects LiamBindle MQTT-C up to v1.1.6. The vulnerability is a heap-based out-of-bounds read and integer underflow in mqtt_unpack_publish_response() (src/mqtt.c). A broker-controlled or injected PUBLISH packet can allow a remote unauthenticated attacker to crash a subscribed MQTT-C...