1. 修复的CVE CVE-2022-37452 Exim是一个运行于Unix系统中的开源消息传送代理（MTA），它主要负责邮件的路由、转发和投递。Exim 4.95之前版本存在安全漏洞，该漏洞源于当设置了 sender_host_name 时，host_name_lookup 中的别名列表有一个基于堆的缓冲区溢出。 2. 受影响的操作系统及软件包 ·银河麒麟桌面操作系统V10 x86_64 架构： exim4-base、exim4-config、exim4-daemon-heavy、exim4-daemon-light、exim4、eximon4 arm64 架构： exim4-base、exim4-config、exim4-daemon-heavy、exim4-daemon-light、exim4、eximon4 mips64el 架构： exim4-base、exim4-config、exim4-daemon-heavy、exim4-daemon-light、exim4、eximon4 3. 软件包修复版本 ·银河麒麟桌面操作系统V10 4.86.2-2kord2.6+esm2 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 exim4 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 dpkg -i /Path1/Package1 /Path2/Package2 /Path3/Package3…… 注：Path 指软件包下载到本地的路径，Package指下载的软件包名称，多个软件包则以空格分开。 5. 软件包下载地址 银河麒麟桌面操作系统V10 x86_64软件包下载地址 http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-base_4.86.2-2kord2.6%2Besm2_amd64.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-config_4.86.2-2kord2.6%2Besm2_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-daemon-heavy_4.86.2-2kord2.6%2Besm2_amd64.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-daemon-light_4.86.2-2kord2.6%2Besm2_amd64.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4_4.86.2-2kord2.6%2Besm2_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/eximon4_4.86.2-2kord2.6%2Besm2_amd64.deb arm64软件包下载地址 http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-base_4.86.2-2kord2.6%2Besm2_arm64.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-config_4.86.2-2kord2.6%2Besm2_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-daemon-heavy_4.86.2-2kord2.6%2Besm2_arm64.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-daemon-light_4.86.2-2kord2.6%2Besm2_arm64.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4_4.86.2-2kord2.6%2Besm2_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/eximon4_4.86.2-2kord2.6%2Besm2_arm64.deb mips64el软件包下载地址 http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-base_4.86.2-2kord2.6%2Besm2_mips64el.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-config_4.86.2-2kord2.6%2Besm2_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-daemon-heavy_4.86.2-2kord2.6%2Besm2_mips64el.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4-daemon-light_4.86.2-2kord2.6%2Besm2_mips64el.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/exim4_4.86.2-2kord2.6%2Besm2_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/e/exim4/eximon4_4.86.2-2kord2.6%2Besm2_mips64el.deb 6. 修复验证 使用软件包查询命令，查看相关的软件包版本大于或等于修复版本则成功修复。 $sudo dpkg -l |grep Package 注：Package为软件包包名。