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


Published: 2023-10-18
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-57925 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
History

Wed, 25 Jun 2025 21:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:* cpe:2.3:a:eclipse:mosquitto:2.0.5:*:*:*:*:*:*:*

Subscriptions

Eclipse Mosquitto
cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published:

Updated: 2024-09-13T14:50:24.704Z

Reserved: 2023-10-18T08:17:55.102Z

Link: CVE-2023-5632

cve-icon Vulnrichment

Updated: 2024-08-02T08:07:32.289Z

cve-icon NVD

Status : Analyzed

Published: 2023-10-18T09:15:10.080

Modified: 2025-06-25T20:53:55.653

Link: CVE-2023-5632

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-10-18T00:00:00Z

Links: CVE-2023-5632 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses