CVE-2021-20236

State: Published
Severity: Not scored
Published: May 28, 2021
Updated: Aug 3, 2024
Reserved: Dec 17, 2020

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-120 >CWE-787

Affected Products

Product	Versions
zeromqn/a	zeromq 4.3.3Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=1921976
https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8

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