CVE:CVE-2018-5148
CNNVD:CNNVD-201803-1055
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。compositor是其中的一个合成器。
Mozilla Firefox 59.0.2之前版本和Firefox ESR 52.7.3之前版本中的compositor存在释放后重用漏洞。远程攻击者可利用该漏洞造成拒绝服务（崩溃）。
solution:Upgrade debian debian_linux to a higher version than 7.0,8.0,9.0,and avoid the version 7.0,8.0,9.0; Upgrade redhat enterprise_linux_desktop to a higher version than 6.0,7.0,and avoid the version 6.0,7.0; Upgrade redhat enterprise_linux_server to a higher version than 6.0,7.0,and avoid the version 6.0,7.0; Upgrade redhat enterprise_linux_server_eus to a higher version than 7.5,and avoid the version 7.5; Upgrade redhat enterprise_linux_workstation to a higher version than 6.0,7.0,and avoid the version 6.0,7.0; Upgrade mozilla firefox to a higher version than 59.0.2,and avoid the version (,59.0.2); Upgrade mozilla firefox_esr to a higher version than 52.7.3,and avoid the version (,52.7.3); Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,17.10,and avoid the version 14.04,16.04,17.10