Feed/CVE-2021-20236
CVE-2021-20236CRITICALCVSS 9.8

CVE-2021-20236

Published May 28, 2021·Updated Jun 16, 2026

NVD Description

A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Vector

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

References

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