The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and SIEVE support. Security Fix: * cyrus-imapd: privilege escalation in HTTP request * cyrus-imapd: lmtpd component created mailboxes with administrator privileges if the quot;fileintoquot; was used, bypassing ACL checks For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the CentOS 8.3 Release Notes linked from the References section.