CVE:CVE-2015-1781
CNNVD:CNNVD-201505-071
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 2.22之前版本存在缓冲区错误漏洞。远程攻击者利用该漏洞通过特制的DNS响应造成拒绝服务（崩溃），或执行任意代码。
solution:Upgrade suse linux_enterprise_debuginfo to a higher version than 11:sp3,11:sp4,and avoid the version 11:sp3,11:sp4; Upgrade suse linux_enterprise_desktop to a higher version than 11:sp3,11:sp4,and avoid the version 11:sp3,11:sp4; Upgrade suse linux_enterprise_server to a higher version than 11:sp3,11:sp4,and avoid the version 11:sp3,11:sp4; Upgrade gnu glibc to a higher version than 2.21,and avoid the version (,2.21]; Upgrade debian debian_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,15.04,and avoid the version 12.04,14.04,15.04