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Moderate: dovecot security update

dovecot Updated 02 Oct 2025

Summary

10/05/2022
N/A
Yes i
Unrated
Not published

ALSA-2022:1950: Moderate: dovecot security update. Affects dovecot versions < 1:2.3.16-2.el8. Fixed in 1:2.3.16-2.el8. How to fix ↓

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Background

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages.

Vulnerability Detail

The vulnerability identified in this update is a plaintext commands injection (CVE-2021-33515). This vulnerability could allow an attacker to inject arbitrary commands in plaintext, potentially leading to unauthorized access or other malicious activities.

How To Fix

Minimum fixed version

1:2.3.16-2.el8

This is the first release that contains the fix.

sudo dnf update dovecot

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Conclusion

In conclusion, it is important to upgrade the dovecot package to the latest version (2.3.16-2.el8) to address the plaintext commands injection vulnerability (CVE-2021-33515). For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

What is the impact of this vulnerability?

This vulnerability could allow an attacker to inject arbitrary commands in plaintext, potentially leading to unauthorized access or other malicious activities.

There is no known exploit for this vulnerability at the moment.

The recommended mitigation is to upgrade the affected packages to the latest version.

The CVSS score for this vulnerability is not provided in the available information.

More information about this vulnerability can be found on the CVE page(s) listed in the References section.

References

Related vulnerabilities

Recent vulnerabilities recorded for dovecot.

View all dovecot vulnerabilities →
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How To Fix

Minimum fixed version

1:2.3.16-2.el8

This is the first release that contains the fix.

sudo dnf update dovecot

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