1. 修復的CVE CVE-2022-37452 Exim是一個運行于Unix系統中的開源消息傳送代理（MTA），它主要負責郵件的路由、轉發和投遞。Exim 4.95之前版本存在安全漏洞，該漏洞源于當設置了 sender_host_name 時，host_name_lookup 中的別名列表有一個基于堆的緩沖區溢出。 2. 受影響的操作系統及軟件包 ·銀河麒麟桌面操作系統V10 x86_64 架構： exim4-base、exim4-config、exim4-daemon-heavy、exim4-daemon-light、exim4、eximon4 arm64 架構： exim4-base、exim4-config、exim4-daemon-heavy、exim4-daemon-light、exim4、eximon4 mips64el 架構： exim4-base、exim4-config、exim4-daemon-heavy、exim4-daemon-light、exim4、eximon4 3. 軟件包修復版本 ·銀河麒麟桌面操作系統V10 4.86.2-2kord2.6+esm2 4. 修復方法 方法一：升級安裝 執行更新命令進行升級 $sudo apt update $sudo apt install exim4 方法二：下載軟件包進行升級安裝 通過軟件包地址下載軟件包，使用軟件包升級命令根據受影響的軟件包列表升級相關的組件包。 $sudo dpkg -i /Path1/Package1 /Path2/Package2 /Path3/Package3…… 注：Path 指軟件包下載到本地的路徑，Package指下載的軟件包名稱，多個軟件包則以空格分開。 5. 軟件包下載地址 銀河麒麟桌面操作系統V10 x86_64軟件包下載地址 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軟件包下載地址 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軟件包下載地址 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. 修復驗證 使用軟件包查詢命令，查看相關的軟件包版本大于或等于修復版本則成功修復。 $sudo dpkg -l |grep Package 注：Package為軟件包包名。