CVE:CVE-2015-7193
CNNVD:CNNVD-201511-092
Mozilla Firefox和Firefox ESR都是美国Mozilla基金会开发的浏览器产品。Firefox是一款开源Web浏览器；Firefox ESR是Firefox的一个延长支持版本。
Mozilla Firefox 42.0.2及之前版本和Firefox ESR 38.4之前38.x版本中存在安全漏洞，该漏洞源于程序错误地使用POST方法的CORS cross-origin请求算法处理服务器端的Content-Type头。远程攻击者可借助缺少的preflight-request步骤利用该漏洞绕过同源策略。
solution:Upgrade mozilla firefox_esr to a higher version than 38.0,38.0.1,38.0.5,38.1.0,38.1.1,38.2.0,38.2.1,38.3.0,and avoid the version 38.0,38.0.1,38.0.5,38.1.0,38.1.1,38.2.0,38.2.1,38.3.0; Upgrade mozilla firefox to a higher version than 41.0.2,and avoid the version (,41.0.2]