CVE:CVE-2011-4528
CNNVD:CNNVD-201112-357
Unbound是荷兰NLnet实验室负责维护的一套基于C语言的开源递归式DNS服务器软件。
Unbound 1.4.13p2之前的版本中存在漏洞，该漏洞源于其尝试在已签署的区域内复制CNAME记录的进程中释放未分配的内存。远程DNS服务器可借助特制响应导致拒绝服务（守护程序崩溃）。
solution:Upgrade unbound unbound to a higher version than 1.4.13,0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.7.1,0.7.2,0.8,0.09,0.10,0.11,1.0.0,1.0.1,1.0.2,1.1.0,1.1.1,1.2.0,1.2.1,1.3.0,1.3.1,1.3.2,1.3.3,1.3.4,1.4.0,1.4.1,1.4.2,1.4.3,1.4.4,1.4.5,1.4.6,1.4.7,1.4.8,1.4.9,1.4.10,1.4.11,1.4.12,1.4.14:rc1,and avoid the version (,1.4.13],0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.7.1,0.7.2,0.8,0.09,0.10,0.11,1.0.0,1.0.1,1.0.2,1.1.0,1.1.1,1.2.0,1.2.1,1.3.0,1.3.1,1.3.2,1.3.3,1.3.4,1.4.0,1.4.1,1.4.2,1.4.3,1.4.4,1.4.5,1.4.6,1.4.7,1.4.8,1.4.9,1.4.10,1.4.11,1.4.12,1.4.14:rc1