注： 1. 本公告所涉及的漏洞修复信息知识产权全部归麒麟软件有限公司所有，此安全漏洞补丁公告仅适用于麒麟软件操作系统通用主线产品，定制、OEM等版本可根据需要联系售后获取支持。任何媒体、网站或个人转载使用时不得进行商业性的原版原式的转载，也不得歪曲和篡改所发布的内容。此声明以及其修改权、更新权及最终解释权均归本网所有。 2. 此安全漏洞补丁公告仅适用于银河麒麟桌面操作系统V10 SP1 2403 Update2版本，系统版本查询工具下载链接： https://security-oss.kylinos.cn/Desktop/libkysdk-sysinfo.zip 1. 漏洞概述 CVE-2024-23184 Open-XchangeDovecot是一款开源邮件服务器。Open-XchangeDovecot存在安全漏洞，该漏洞源于外部攻击者可以发送特制的消息消耗目标系统资源并导致中断。 CVE-2024-23185 Open-XchangeDovecot是一款开源邮件服务器。Open-XchangeDovecot存在安全漏洞，该漏洞源于解析消息时，非常大的标头会导致资源耗尽。 2. 受影响的操作系统及软件包 ·银河麒麟桌面操作系统V10 SP1 2403 Update2 x86_64 架构： 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 架构： 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 sw64 架构： 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 loongarch64 架构： 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 3. 软件包修复版本 ·银河麒麟桌面操作系统V10 SP1 2403 Update2 1:2.3.7.2-1kylin3.7 4. 修复方法 方法一：升级安装 执行更新命令进行升级 $sudo apt update $sudo apt install dovecot-core 方法二：下载软件包进行升级安装 通过软件包地址下载软件包，使用软件包升级命令根据受影响的软件包列表升级相关的组件包。 $sudo apt-get install /Path1/Package1 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