CVE-2025-2518: IBM Db2 denial of service

Published May 29, 2025
·
Updated

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1

is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

Other sources

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

— IBM

Affected Software

8 affected components
IBM Db2 Linux>=11.5<=11.5.9
IBM Db2 Unix>=11.5<=11.5.9
IBM Db2 Windows>=11.5<=11.5.9
IBM Db2 Linux>=12.1.0<=12.1.1
IBM Db2 Unix>=12.1.0<=12.1.1
IBM Db2 Windows>=12.1.0<=12.1.1
IBM IBM® Db2®<=11.5.0 - 11.5.9
IBM IBM® Db2®<=12.1.0 - 12.1.1

Remediation

Information

Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent affected level for each impacted release: V11.5.9, and V12.1.1. They can be applied to any affected mod pack level of the appropriate release to remediate this vulnerability.

Event History

May 29, 2025
CVE Published
via MITRE·07:14 PM
Data Sourced
via MITRE·07:14 PM
RemedyDescriptionSeverityWeakness
Aug 26, 2025
Data Sourced
via IBM·03:05 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-2518?

CVE-2025-2518 is rated as a high severity denial of service vulnerability.

2

How do I fix CVE-2025-2518?

To fix CVE-2025-2518, update IBM Db2 to version 11.5.10 or later, or 12.1.2 or later.

3

What causes CVE-2025-2518?

CVE-2025-2518 is caused by the server crashing when processing a specially crafted query.

4

Which versions of IBM Db2 are affected by CVE-2025-2518?

CVE-2025-2518 affects IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1.

5

Is a workaround available for CVE-2025-2518?

Currently, there is no documented workaround for CVE-2025-2518; updating to a fixed version is recommended.

Company

Resources

Contact

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