CVEvulnerability
CVE-2023-5632
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2023-10-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-834
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 configurations
• eclipse mosquitto 2.0.5
Related
Weakness · CWE (1)
- CWE-834 Excessive Iteration weakness
References
- https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d Patch
- https://github.com/eclipse/mosquitto/pull/2053 Issue Tracking
- https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d Patch
- https://github.com/eclipse/mosquitto/pull/2053 Issue Tracking