CVE:CVE-2021-31535
CNNVD:CNNVD-202105-1236
X.Org libX11是X.Org（X.org）基金会的一个X11（X Window系统）客户端库。
libX11 存在输入验证错误漏洞，该漏洞源于XLookupColor和其他X库函数缺乏对其字符串参数长度的适当验证。
solution:Upgrade x.org libx11 to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade x.org x_window_system to a higher version than x11r7.7,and avoid the version (,x11r7.7]; Upgrade fedoraproject fedora to a higher version than 33,and avoid the version 33