CVE:CVE-2021-28994
CNNVD:CNNVD-202103-1708
Kopano Groupware Core是荷兰 （Kopano）公司的一个应用软件。提供Kopano堆栈的Groupware功能，并且在大多数情况下，它们是每个Kopano环境的核心
Kopano Groupware Core 存在安全漏洞，该漏洞允许通过长HTTP头文件耗尽内存。以下产品及版本受到影响：Kopano Groupware Core through 8.7.16, 9.x through 9.1.0, 10.x through 10.0.7, and 11.x through 11.0.1 and Zarafa 6.30.x through 7.2.x。
solution:Upgrade kopano groupware_core to a higher version than 8.7.16,9.1.0,10.0.7,11.0.1,and avoid the version (,8.7.16],[9.0.0,9.1.0],[10.0.0,10.0.7],[11.0.0,11.0.1]; Upgrade zarafa zarafa to a higher version than 7.2.6,and avoid the version [6.30.0,7.2.6]