CVE-2026-54412: LiamBindle MQTT-C, грешка в паметта

Описание

Оригинално описание

LiamBindle MQTT-C through version 1.1.6 contains a heap-based out-of-bounds read and integer underflow in the mqtt_unpack_publish_response function in src/mqtt.c that allows a remote unauthenticated attacker controlling an MQTT broker - or able to inject MQTT traffic into an unencrypted session - to crash a subscribed MQTT-C client and potentially disclose adjacent heap memory by sending a single crafted PUBLISH packet.

Засегнати продукти

• LiamBindle MQTT-C: до 1.1.6

Вид слабост

• CWE-125 Четене извън границите на буфера
• CWE-191 Целочислено препълване отдолу

История

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-54412
• https://nvd.nist.gov/vuln/detail/CVE-2026-54412
• https://github.com/LiamBindle/MQTT-C
• https://github.com/LiamBindle/MQTT-C/blob/v1.1.6/src/mqtt.c#L1334
• https://cwe.mitre.org/data/definitions/125.html
• https://cwe.mitre.org/data/definitions/191.html