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IBM Db2 Denial-of-Service Vulnerability

Vulnerability

A denial-of-service vulnerability has been identified in IBM Db2 versions 10.5.0 prior to 10.5.11, 11.1.0 prior to 11.1.4.7, 11.5.0 prior to 11.5.9, and 12.1.0 prior to 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 vulnerability from Fix Central. These special builds are available for the most recent level of each impacted release: V10.5 FP11, V11.1.4 FP7, V11.5.9, V12.1.2 and V12.1.3. Instructions for downloading these special builds are available on the IBM Support website.

Added: Nov 7, 2025, 7:23 PM
Updated: Nov 7, 2025, 7:23 PM

Vulnerability Rating

Custom Algorithm
spread
5.7
impact
2.5
exploitability
4.9
remediation
7.7
relevance
1.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.