CVE-2021-20237

Publication date

2021-05-28 10:42:23

Family

redhat

State

PUBLISHED

Description

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQs 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.