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OpenAdvisories
Medium ALSA-2024:6529 2 CVEs

Moderate: dovecot security update

Published Sep 10, 2024 · Updated Oct 29, 2026

Summary

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.

Security Fix(es):

* dovecot: using a large number of address headers may trigger a denial of service (CVE-2024-23184)
* dovecot: very large headers can cause resource exhaustion when parsing message (CVE-2024-23185)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 5

ReleasePackageFixed in
AlmaLinux · 9 dovecot 1:2.3.16-11.el9_4.1
AlmaLinux · 9 dovecot-devel 1:2.3.16-11.el9_4.1
AlmaLinux · 9 dovecot-mysql 1:2.3.16-11.el9_4.1
AlmaLinux · 9 dovecot-pgsql 1:2.3.16-11.el9_4.1
AlmaLinux · 9 dovecot-pigeonhole 1:2.3.16-11.el9_4.1

Vulnerabilities 2

References

  • report
    https://access.redhat.com/security/cve/CVE-2024-23184
  • report
    https://access.redhat.com/security/cve/CVE-2024-23185
  • report
    https://bugzilla.redhat.com/2305909
  • report
    https://bugzilla.redhat.com/2305910
  • advisory
    https://errata.almalinux.org/9/ALSA-2024-6529.html