CWE
770
Advisory Published
Updated

CVE-2020-28200

First published: Mon Jun 28 2021(Updated: )

The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Dovecot Dovecot<2.3.15
Fedoraproject Fedora=33
Fedoraproject Fedora=34

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Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2020-28200.

  • What is the severity of CVE-2020-28200?

    The severity of CVE-2020-28200 is medium with a CVSS score of 4.3.

  • What is affected by CVE-2020-28200?

    Dovecot versions before 2.3.15 and Fedora versions 33 and 34 are affected by CVE-2020-28200.

  • What is the impact of CVE-2020-28200?

    CVE-2020-28200 allows uncontrolled resource consumption, leading to a potential denial of service.

  • How can I fix CVE-2020-28200?

    Update Dovecot to version 2.3.15 or higher and update Fedora to the latest available patches.

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