IBM Db2 Denial-of-Service Vulnerability

A denial-of-service vulnerability has been identified in IBM Db2 versions 11.1.0 prior to 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX, and Windows, including Db2 Connect Server. Under certain conditions, the server may crash when processing a specially crafted query.

Impact

Exploitation of this vulnerability can lead to a server crash, causing a denial-of-service condition.

Remediation

Users can download a special build containing the interim fix for this issue from Fix Central. These special builds are available for Db2 versions 11.1.4 FP7, 11.5.9, and 12.1.3. Instructions for downloading these special builds are available on the IBM Support website.