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CVE-2021-20236

Published: May 28, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Vendor	Product	Versions
n/a	zeromq	affected `zeromq 4.3.3`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=1921976

x_refsource_MISC

https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8

x_refsource_MISC

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