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High severity7.5NVD Advisory· Published Oct 18, 2023· Updated Jun 17, 2026

CVE-2023-5632

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

3
  • Eclipse/Mosquitto3 versions
    cpe:2.3:a:eclipse:mosquitto:2.0.5:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:eclipse:mosquitto:2.0.5:*:*:*:*:*:*:*
    • (no CPE)range: <=2.0.5
    • (no CPE)range: 0

Patches

Vulnerability mechanics

References

2

News mentions

0

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