CVE:CVE-2017-7757
CNNVD:CNNVD-201706-839
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。IndexedDB是其中的一个内置数据库。
Mozilla Firefox 54之前的版本和Firefox ESR 52.2之前的版本中的indexedDB存在释放后重用漏洞。攻击者可利用该漏洞造成拒绝服务（崩溃）。
solution:Upgrade mozilla firefox to a higher version than 54.0,and avoid the version (,54.0); Upgrade mozilla firefox_esr to a higher version than 52.2.0,and avoid the version (,52.2.0); Upgrade mozilla thunderbird to a higher version than 52.2.0,and avoid the version (,52.2.0); Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0