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CVE-2021-3677

Description

A flaw was found in postgresql. A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0, the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting.


Affected Software


CPE Name Name Version
postgresql:postgresql postgresql 13.4
postgresql:postgresql postgresql 12.8
postgresql:postgresql postgresql 11.13
redhat:virtualization redhat virtualization 4.0
redhat:enterprise_linux redhat enterprise linux 8.0
redhat:enterprise_linux_for_power_little_endian redhat enterprise linux for power little endian 8.0
redhat:enterprise_linux_for_ibm_z_systems redhat enterprise linux for ibm z systems 8.0
redhat:software_collections redhat software collections 1.0
fedoraproject:fedora fedoraproject fedora 34

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