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Heap out-of-bounds read in PUBLISH unpack via unchecked topic_name_size (CWE-125/CWE-191)

Status: Open.

#206 In LiamBindle/MQTT-C;

· afldl opened on Jul 24, 2026

Heap OOB read + integer underflow in mqtt_unpack_publish_response() — malicious broker can crash any subscribed client (CWE-125, CWE-191)

Status: Open.

#204 In LiamBindle/MQTT-C;

· TuranSecurityCNA opened on May 25, 2026

[Security] heap-buffer-overflow in mqtt_unpack_publish_response() via unchecked topic_name_size

Status: Open.

#203 In LiamBindle/MQTT-C;

· sermikr0 opened on May 17, 2026

Documentation Link seems to be highjacked

Status: Open.

#202 In LiamBindle/MQTT-C;

· dns13 opened on Mar 30, 2026

Heap OOB read + unsigned underflow in PUBLISH packet parsing

Status: Open.

#198 In LiamBindle/MQTT-C;

· ByamB4 opened on Feb 18, 2026

error: root source file struct 'std' has no member named 'build'

Status: Open.

#197 In LiamBindle/MQTT-C;

· clankill3r opened on Oct 24, 2025

MCU hardfault when void mqtt_mq_clean(struct mqtt_message_queue *mq) is called

Status: Open.

#196 In LiamBindle/MQTT-C;

· jkorenj opened on Sep 18, 2025

MQTT application crash in mqtt_pal_sendall when broker closes connection [MBEDTLS]

Status: Open.

#195 In LiamBindle/MQTT-C;

· Anuragyadav27 opened on Aug 21, 2025

Can't connect to EMQX Broker Free

Status: Open.

#191 In LiamBindle/MQTT-C;

· conggalam12 opened on Jun 24, 2024

MQTT-C endless loop if sendbuffer is too large

Status: Open.

#190 In LiamBindle/MQTT-C;

· Bauteiltoeter opened on May 16, 2024

Windows MSYS2 MINGW64: Examples fail with "MQTT_ERROR_SOCKET_ERROR" or "Failed to open socket: : No error"

Status: Open.

#188 In LiamBindle/MQTT-C;

· KlausMu opened on Mar 7, 2024

mqtt_connect does not generate a client.error if wrong username and/or password is provided

Status: Open.

#184 In LiamBindle/MQTT-C;

· PitHerm opened on Oct 25, 2023