Medium severity6.5NVD Advisory· Published Apr 1, 2021· Updated Jun 17, 2026
CVE-2021-20234
CVE-2021-20234
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- ZeroMQ/ZeroMQ clientdescription
Patches
Vulnerability mechanics
References
2- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87nvdExploitPatchThird Party Advisory
News mentions
0No linked articles in our index yet.