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CVE-2021-20237

Published: 5/28/2021 Last updated: 8/3/2024 Reserved: 12/17/2020

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Opam packages affected (1)

conf-zmq

Products affected (1)

Product Vendor Version
zeromq n/a 5ba1957f889f575f2a240eafe543c3fda5aa72e0

References (4)