CVE:CVE-2021-3677
CNNVD:CNNVD-202108-1197
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。本地攻击者可以通过查询PostgreSQL来读取内存片段，以获取敏感信息。
solution:Upgrade postgresql postgresql to a higher version than 11.13,12.8,13.4,and avoid the version [11.0,11.13),[12.0,12.8),[13.0,13.4); Upgrade redhat virtualization to a higher version than 4.0,and avoid the version 4.0; 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; Upgrade redhat software_collections to a higher version than 1.0,and avoid the version 1.0; Upgrade fedoraproject fedora to a higher version than 34,and avoid the version 34