CVE:CVE-2019-19126
CNNVD:CNNVD-201911-1168
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。
GNU C Library 2.31之前版本中存在安全漏洞。攻击者可利用该漏洞绕过ASLR保护。
solution:Upgrade gnu glibc to a higher version than 2.31,and avoid the version (,2.31); Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,19.10,and avoid the version 16.04,18.04,19.10; Upgrade fedoraproject fedora to a higher version than 30,31,and avoid the version 30,31; Upgrade debian debian_linux to a higher version than 10.0,and avoid the version 10.0