CVE:CVE-2011-1757
CNNVD:CNNVD-201106-200
DJabberd 0.84及之前版本没有正确解析某些XML输入。远程攻击者可借助嵌入的XML实体导致拒绝服务（CPU和内存消耗）。
solution:Upgrade brad_fitzpatrick djabberd to a higher version than 0.84,0.80,0.81,0.82,0.83,and avoid the version (,0.84],0.80,0.81,0.82,0.83