CVE:CVE-2016-1526
CNNVD:CNNVD-201602-269
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。Graphite是一套使用Python语言编写、采用Django框架的企业级开源系统监控工具（数据绘图），它通过第三方工具或插件进行数据收集、统计，最后完成数据绘图。Graphite 2是Graphite的一个升级版。
Mozilla Firefox和Firefox ESR中使用的Graphite 2的Libgraphite中的TtfUtil.cpp文件中的‘TtfUtil:LocaLookup’函数存在安全漏洞，该漏洞源于程序没有正确验证大小值。远程攻击者可借助特制的Graphite智能字体利用该漏洞获取敏感信息，或造成拒绝服务（越边界读取和应用程序崩溃）。以下产品及版本受到影响：Mozilla Firefox 43.0之前版本，Firefox ESR 38.6.1之前38.x版本，Graphite 2 1.2.4版本。
solution:Upgrade debian debian_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0; Upgrade mozilla firefox_esr to a higher version than 38.0,38.0.1,38.0.5,38.1.0,38.1.1,38.2.0,38.2.1,38.3.0,38.4.0,38.5.0,38.5.1,38.5.2,38.6.0,and avoid the version 38.0,38.0.1,38.0.5,38.1.0,38.1.1,38.2.0,38.2.1,38.3.0,38.4.0,38.5.0,38.5.1,38.5.2,38.6.0; Upgrade mozilla thunderbird to a higher version than 38.5.1,and avoid the version (,38.5.1]; Upgrade sil graphite2 to a higher version than 1.2.4,and avoid the version 1.2.4; Upgrade fedoraproject fedora to a higher version than 22,23,and avoid the version 22,23