CVE:CVE-2020-26259
CNNVD:CNNVD-202012-1168
XStream是XStream（Xstream）团队的一个轻量级的、简单易用的开源Java类库，它主要用于将对象序列化成XML（JSON）或反序列化为对象。
XStream 1.1.14版本及之前版本操作系统存在操作系统命令注入漏洞。该漏洞可能允许远程攻击者删除主机上的任意已知文件作为日志。
solution:Upgrade xstream_project xstream to a higher version than 1.4.15,and avoid the version (,1.4.15); Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0; Upgrade fedoraproject fedora to a higher version than 33,34,35,and avoid the version 33,34,35