Unrated severityNVD Advisory· Published Oct 18, 2023· Updated Sep 13, 2024
Unconditionally adding an event to the epoll causes excessive CPU consumption
CVE-2023-5632
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
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Affected products
2Patches
Vulnerability mechanics
References
2- github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2dmitrepatch
- github.com/eclipse/mosquitto/pull/2053mitrepatchissue-tracking
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