CVE-2021-20234
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductZeromq Libzmq
PublishedApr 1, 2021
First seenApr 1, 2021
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- zeromq libzmq4.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zeromq libzmq | v < 4.3.3 | 4.3.3 |
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