CVE-2021-22116, CVE-2021-33175, and CVE-2021-33176 are denial of service vulnerabilities in three popular open source message broker applications
Overview
Synopsys Cybersecurity Research Center (CyRC) research has exposed three separate denial of service vulnerabilities in open source message broker applications. Message brokers are used in software systems to enable multiple independent components to reliably and robustly exchange information.
RabbitMQ, EMQ X, and VerneMQ are three open source message brokers. In each, CyRC research uncovered input that causes the message broker to consume large amounts of memory, resulting in the application being terminated by the operating system.
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