CVE-2021-20234

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400 CWE-401

Affected software

No affected versions have been published.

Timeline

Published: Apr 1, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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