1.修复的CVE

    CVE-2021-43818

    Lxml是Lxml个人开发者的一个可与Python交互用于定位Html中元素的软件。lxml 4.6.5之前版本存在注入漏洞，该漏洞源于HTML Cleaner允许某些精心制作的脚本内容以及使用数据URI嵌入的SVG文件中的脚本内容通过。

2.影响的操作系统

    银河麒麟桌面操作系统V10 SP1

3.修复版本

    软件包：lxml

    4.5.0-1kylin0.5(V10 SP1)

4.受影响的软件包

    银河麒麟桌面操作系统V10 SP1

    python-lxml

    python-lxml-dbg

    python-lxml-doc

    python3-lxml

    python3-lxml-dbg

5.修复方法

方法一：配置源进行升级安装

    打开软件包源配置文件，根据仓库地址进行修改。

    4.0.2桌面版本:

    http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2-desktop main restricted universe multiverse

    4.0.2-sp1桌面版本:

    http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp1-desktop main restricted universe multiverse

    4.0.2-sp2桌面版本:

    http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp2-desktop main restricted universe multiverse

    4.0.2-sp3桌面版本:

    http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp3-desktop main restricted universe multiverse

    4.0.2-sp4桌面版本:

    http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp4-desktop main restricted universe multiverse

    10.0版本:

    http://archive.cyjm16888.com/kylin/KYLIN-ALL 10.0 main restricted universe multiverse

    10SP1版本:

    http://archive.cyjm16888.com/kylin/KYLIN-ALL 10.1 main restricted universe multiverse

    配置完成后执行更新命令进行升级

    $sudo apt update

方法二：下载安装包进行升级安装

    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组件包列表 升级相关的组件包。

    $dpkg -i Packagelists

6.软件包下载地址

银河麒麟操作系统桌面版V10 SP1

X86_64软件包下载地址

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python-lxml-dbg_4.5.0-1kylin0.5_amd64.deb

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python-lxml-doc_4.5.0-1kylin0.5_all.deb

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python-lxml_4.5.0-1kylin0.5_amd64.deb

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python3-lxml-dbg_4.5.0-1kylin0.5_amd64.deb

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python3-lxml_4.5.0-1kylin0.5_amd64.deb

arm64软件包下载地址

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python-lxml-dbg_4.5.0-1kylin0.5_arm64.deb

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python-lxml-doc_4.5.0-1kylin0.5_all.deb

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python-lxml_4.5.0-1kylin0.5_arm64.deb

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python3-lxml-dbg_4.5.0-1kylin0.5_arm64.deb

http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/l/lxml/python3-lxml_4.5.0-1kylin0.5_arm64.deb