CVE:CVE-2021-23214
CNNVD:CNNVD-202111-1067
PostgreSQL是Postgresql组织的一套自由的对象关系型数据库管理系统。该系统支持大部分SQL标准并且提供了许多其他特性，例如外键、触发器、视图等。
PostgreSQL 存在安全漏洞，该漏洞源于PostgreSQL处理加密连接的方式造成的。攻击者可利用该漏洞执行MitM攻击。
solution:Upgrade postgresql postgresql to a higher version than 9.6.24,10.19,11.14,12.9,13.5,14.0,and avoid the version (,9.6.24),[10.0,10.19),[11.0,11.14),[12.0,12.9),[13.0,13.5),14.0; Upgrade fedoraproject fedora to a higher version than 34,35,and avoid the version 34,35; Upgrade redhat software_collections to a higher version than 1.0,and avoid the version 1.0; Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_for_ibm_z_systems to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_for_power_little_endian to a higher version than 8.0,and avoid the version 8.0