CVE-2020-26154
libproxy是個人開發者的一個提供自動配置代理的庫。
libproxy 0.4.15版本存在緩沖區錯誤漏洞，該漏洞源于urls .cpp很容易發生緩沖區溢出，這從一個沒有內容長度頭的大PAC文件就可以看出。
2.影響的操作系統
銀河麒麟桌面操作系統V4 SP1
銀河麒麟桌面操作系統V4 SP2
銀河麒麟桌面操作系統V4 SP3
銀河麒麟桌面操作系統V4 SP4
銀河麒麟服務器操作系統V4 SP1
銀河麒麟服務器操作系統V4 SP2
銀河麒麟服務器操作系統V4 SP3
銀河麒麟服務器操作系統V4 SP4
銀河麒麟桌面操作系統V10
銀河麒麟桌面操作系統V10 SP1
軟件包：libproxy
0.4.11-5kord1.2（V4、V10）
0.4.15-10kylin1.2(V10 SP1)
·銀河麒麟操作系統V10桌面版、V4
libproxy-cil-dev
libproxy-dev
libproxy-tools
libproxy0.4-cil
libproxy1-plugin-gsettings
libproxy1-plugin-kconfig
libproxy1-plugin-mozjs
libproxy1-plugin-networkmanager
libproxy1-plugin-webkit
libproxy1v5
python3-libproxy
·銀河麒麟桌面操作系統V10 SP1
libproxy-cil-dev
libproxy-dev
libproxy-tools
libproxy0.4-cil
libproxy1-plugin-gsettings
libproxy1-plugin-kconfig
libproxy1-plugin-mozjs
libproxy1-plugin-networkmanager
libproxy1-plugin-webkit
libproxy1v5
python3-libproxy
打開軟件包源配置文件，根據倉庫地址進行修改。
4.0.2桌面版本:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2-desktop main restricted universe multiverse
4.0.2-sp1桌面版本:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp1-desktop main restricted universe multiverse
4.0.2-sp2桌面版本:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp2-desktop main restricted universe multiverse
4.0.2-sp3桌面版本:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp3-desktop main restricted universe multiverse
4.0.2-sp4桌面版本:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp4-desktop main restricted universe multiverse
10.0版本:
http://archive.kylinos.cn/kylin/KYLIN-ALL 10.0 main restricted universe multiverse
10SP1版本:
http://archive.kylinos.cn/kylin/KYLIN-ALL 10.1 main restricted universe multiverse
配置完成后執行更新命令進行升級
$sudo apt update
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組件包列表 升級相關的組件包。
$dpkg -i Packagelists
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