CVE-2021-20234

EPSS 1.1%CWE-400

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Apr 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

n/a · zeromq

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References

https://bugzilla.redhat.com/show_bug.cgi?id=1921972 https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87