CVE:CVE-2011-2207
CNNVD:CNNVD-201911-1448
dirmngr是一款用于管理、下载OpenPGP和X.509证书的服务器。
dirmngr 2.1.0之前版本中存在安全漏洞，该漏洞源于程序没有正确处理一些系统调用。远程攻击者可借助特制的证书利用该漏洞造成拒绝服务。
solution:Upgrade gnupg gnupg to a higher version than 2.1.0,and avoid the version (,2.1.0); Upgrade redhat enterprise_linux to a higher version than 6.0,and avoid the version 6.0; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0