CVE-2025-36070: IBM Db2 Denial of Service

Published Jan 29, 2026
·
Updated

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 is vulnerable to a denial of service as a trap may occur when selecting from certain types of tables.

Other sources

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as a trap may occur when selecting from certain types of tables.

— MITRE

Affected Software

9 affected components
IBM Db2 for Linux, UNIX and Windows
IBM IBM® Db2®<=11.5.0 - 11.5.9
IBM IBM® Db2®<=12.1.0 - 12.1.2
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

Remediation

Information

Customers running any vulnerable modpack 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, and V12.1.2. 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   v12.1.3   https://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads 12.1.3 Latest https://www.ibm.com/support/pages/db2-v1213-published-cumulative-special-build-downloads

Patch Available

https://www.ibm.com/support/pages/node/7257624

Event History

Jan 29, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Jan 30, 2026
CVE Published
via MITRE·09:28 PM
Data Sourced
via MITRE·09:28 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2025-36070?

CVE-2025-36070 is classified as a denial of service vulnerability that can disrupt IBM Db2 operations.

2

How do I fix CVE-2025-36070?

To fix CVE-2025-36070, you should upgrade to IBM Db2 versions 11.5.10 or 12.1.4 or later.

3

What versions of IBM Db2 are affected by CVE-2025-36070?

CVE-2025-36070 affects IBM Db2 for Linux, UNIX, and Windows versions 11.5.0 to 11.5.9 and 12.1.0 to 12.1.3.

4

What impact does CVE-2025-36070 have on IBM Db2?

CVE-2025-36070 can cause a denial of service, potentially leading to system downtime when selecting from certain table types.

5

Is there a workaround for CVE-2025-36070?

There are currently no documented workarounds for CVE-2025-36070; upgrading is the recommended mitigation.

Company

Resources

Contact

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