IBM Db2 Denial-of-Service Vulnerability

A denial-of-service vulnerability has been identified in IBM Db2 for Linux, UNIX, and Windows, including Db2 Connect Server, versions 11.5.0 prior to 11.5.9 and 12.1.0 prior to 12.1.3. This vulnerability allows an authenticated user to disrupt service by improperly handling special elements in data query logic, particularly when running multiple concurrent queries that utilize specific spatial table functions.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing disruptions in database service availability.

Remediation

Users can download special builds containing the interim fix for this vulnerability from IBM Fix Central. These builds are available for Db2 versions 11.5.9, 12.1.2, and 12.1.3. Instructions for downloading these special builds are provided on the IBM Support page.