6.5
CVSSv3

CVE-2021-20234

Published: 01/04/2021 Updated: 05/08/2022
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Vulnerability Summary

An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions prior to 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.

Vulnerability Trend

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zeromq libzmq