CVE-2021-33175

Name of the Vulnerable Software and Affected Versions EMQ X Broker versions prior to 4.2.8

Description The issue is related to the handling of untrusted inputs, which causes excessive memory consumption. This results in a denial of service attack, where the message broker consumes large amounts of memory, leading to the application being terminated by the operating system.

Recommendations For EMQ X Broker versions prior to 4.2.8, update to version 4.2.8 or later to resolve the issue. As a temporary workaround, consider restricting the handling of untrusted inputs to minimize the risk of excessive memory consumption.