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7.5 High

CVE-2023-5632 In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data…

Description

In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6

Affected products and versions

Product Affected versions Fixed in
Mosquitto 2.0 earliest → 2.0.5 No fix stated

Other CVEs of Mosquitto

The 3 CVEs of Mosquitto →
CVE-2023-3592 In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that… 5.8 Medium CVE-2023-0809 In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT… 5.8 Medium
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