IBM Db2 Denial-of-Service Vulnerability in Federated Query Logic

A denial-of-service vulnerability has been identified in IBM Db2 for Linux, UNIX, and Windows (including Db2 Connect Server) versions 12.1.0 through 12.1.3. This vulnerability allows an authenticated user to disrupt service by improperly handling special elements in data query logic involving federated objects.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing the application to become unresponsive or unavailable.

Remediation

Users can download a special build containing the interim fix for this issue from Fix Central. These special builds are available for Db2 version 12.1.2 and 12.1.3. Instructions for downloading these builds are provided on the IBM Support page.