CVE:CVE-2020-15655
CNNVD:CNNVD-202007-1568
Mozilla Firefox等都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Firefox ESR是Firefox(Web浏览器)的一个延长支持版本。Mozilla Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。
Mozilla Firefox 79之前版本、Firefox ESR 78.1之前版本和Thunderbird 78.1之前版本中存在安全漏洞。攻击者可利用该漏洞绕过CORS检查，可能泄露跨源信息。
solution:Upgrade mozilla firefox to a higher version than 79.0,and avoid the version (,79.0); Upgrade mozilla firefox_esr to a higher version than 78.1,and avoid the version (,78.1); Upgrade mozilla thunderbird to a higher version than 78.1,and avoid the version (,78.1); Upgrade opensuse leap to a higher version than 15.2,and avoid the version 15.2; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,20.04,and avoid the version 16.04,18.04,20.04