schema security

About this tag
The schema security tag covers discussions about PostgreSQL authorization and privilege enforcement within database schemas, particularly around the CREATE STATISTICS command. A recent thread addresses CVE-2025-12817, a low-severity but operationally relevant bug where table owners could create statistics objects in schemas without the required schema-level CREATE privilege, potentially leading to denial-of-service conditions. This tag is relevant for database administrators and security professionals managing PostgreSQL deployments, focusing on privilege gaps, patch management, and securing schema-level operations against unauthorized use.

  1. PostgreSQL CVE-2025-12817: Fixing Create Statistics Privilege Gap

    PostgreSQL has released a patch for CVE-2025-12817 — a low‑scoring but operationally meaningful authorization bug in the implementation of the CREATE STATISTICS command that allows a table owner to create statistics objects in schemas without checking whether they possess the schema-level CREATE...
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    • authorization dos mitigation postgresql schema security
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    • Forum: Security Alerts