CVE:CVE-2018-11386
CNNVD:CNNVD-201806-849
Sensio Labs Symfony是法国Sensio Labs公司的一套免费的、基于MVC架构的PHP开发框架，它提供常用的功能组件及工具，可用于快速创建复杂的WEB程序。HttpFoundation是其中的一个针对HTTP协议定义面向对象层的组件。
Sensio Labs Symfony中的HttpFoundation组件存在安全漏洞。攻击者可借助特制的载荷利用该漏洞在Symfony应用程序上造成拒绝服务（无限循环）。以下版本受到影响：Symfony 2.7.48之前的2.7.x版本，2.8.41之前的2.8.x版本，3.3.17之前的3.3.x版本，3.4.11之前的3.4.x版本，4.0.11之前的4.0.x版本。
solution:Upgrade sensiolabs symfony to a higher version than 2.7.48,2.8.41,3.3.17,3.4.11,4.0.11,and avoid the version [2.7.0,2.7.48),[2.8.0,2.8.41),[3.3.0,3.3.17),[3.4.0,3.4.11),[4.0.0,4.0.11); Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0
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