注： 1. 本公告所涉及的漏洞修復信息知識產權全部歸麒麟軟件有限公司所有，此安全漏洞補丁公告僅適用于麒麟軟件操作系統通用主線產品，定制、OEM等版本可根據需要聯系售后獲取支持。任何媒體、網站或個人轉載使用時不得進行商業性的原版原式的轉載，也不得歪曲和篡改所發布的內容。此聲明以及其修改權、更新權及最終解釋權均歸本網所有。 2. 此安全漏洞補丁公告僅適用于銀河麒麟桌面操作系統V10 SP1 2203版本，系統版本查詢工具下載鏈接： https://security-oss.kylinos.cn/Desktop/libkysdk-sysinfo.zip 1. 漏洞概述 CVE-2022-30550 Dovecot是一款開源的基于類Linux/UNIX系統的IMAP和POP3郵件服務器。 Open-Xchange Dovecot 2.2版本存在授權問題漏洞，該漏洞源于當使用類似主控和非主控密碼時，可能會出現權限提升。 2. 受影響的操作系統及軟件包 ·銀河麒麟桌面操作系統V10 SP1 2203 x86_64 架構： dovecot-auth-lua、dovecot-core、dovecot-gssapi、dovecot-imapd、dovecot-ldap、dovecot-lmtpd、dovecot-lucene、dovecot-managesieved、dovecot-mysql、dovecot-pgsql、dovecot-pop3d、dovecot-sieve、dovecot-solr、dovecot-sqlite、dovecot-submissiond、mail-stack-delivery arm64 架構： dovecot-auth-lua、dovecot-core、dovecot-gssapi、dovecot-imapd、dovecot-ldap、dovecot-lmtpd、dovecot-lucene、dovecot-managesieved、dovecot-mysql、dovecot-pgsql、dovecot-pop3d、dovecot-sieve、dovecot-solr、dovecot-sqlite、dovecot-submissiond、mail-stack-delivery mips64el 架構： 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