Related Vulnerabilities: CVE-2021-30047  

DescriptionThe MITRE CVE dictionary describes this issue as: VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.

Affected Packages and Issued Red Hat Security Errata

Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.