CVE:CVE-2021-23953
CNNVD:CNNVD-202101-2397
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。
Mozilla Firefox 85.0版本之前存在安全漏洞。该漏洞源于如果用户单击特制的PDF，则在将PDF阅读器用作分块数据时，它可能会混淆泄漏跨域信息。
solution:Upgrade mozilla firefox to a higher version than 85.0,and avoid the version (,85.0); Upgrade mozilla firefox_esr to a higher version than 78.7,and avoid the version (,78.7); Upgrade mozilla thunderbird to a higher version than 78.7,and avoid the version (,78.7)