CVE-2025-14688: IBM® Db2® is vulnerable to a denial of service when fetching from certain tables under specific configurations

Published Apr 15, 2026
·
Updated

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic when certain configurations exist.

Other sources

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic when certain configurations exist.

— IBM

Affected Software

10 affected components
IBM DB2>=11.5.0<=11.5.9, >=12.1.0<=12.1.3
IBM Db2 Connect Server>=11.5.0<=11.5.9, >=12.1.0<=12.1.3
IBM Db2 Linux>=11.5.0<=11.5.9
IBM Db2 Unix>=11.5.0<=11.5.9
IBM Db2 Windows>=11.5.0<=11.5.9
IBM Db2 Linux>=12.1.0<=12.1.3
IBM Db2 Unix>=12.1.0<=12.1.3
IBM Db2 Windows>=12.1.0<=12.1.3
IBM Cloud APM, Base Private<=8.1.4
IBM Cloud APM, Advanced Private<=8.1.4

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 level for each impacted release: V11.5.9. They can be applied to any affected level of the appropriate release to remediate this vulnerability. ReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 V12.1 V12.1.4 https://www.ibm.com/support/pages/node/7267513 IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.

Event History

Apr 30, 2026
CVE Published
via MITRE·09:48 PM
Data Sourced
via MITRE·09:48 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software
May 21, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-14688?

CVE-2025-14688 is classified as a denial of service vulnerability affecting specific versions of IBM Db2.

2

How do I fix CVE-2025-14688?

To mitigate CVE-2025-14688, upgrade your IBM Db2 to the latest version that includes security fixes.

3

Which products are affected by CVE-2025-14688?

CVE-2025-14688 affects IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3.

4

Who is at risk from CVE-2025-14688?

Authenticated users of vulnerable versions of IBM Db2 are at risk from CVE-2025-14688.

5

What impact does CVE-2025-14688 have?

CVE-2025-14688 can cause a denial of service by fetching from specific tables under certain configurations.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203