CVE-2024-39724

IBM Db2 Big SQL on Cloud Pak for Data is vulnerable to a denial of service due to lack of throttling on an API

Published Feb 4, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
IBM Db2 Big SQL on Cloud Pak for Data versions 7.6 (on CP4D 4.8), 7.7 (on CP4D 5.0), and 7.8 (on CP4D 5.1) do not properly limit the allocation of system resources. An authenticated user with internal knowledge of the environment could exploit this weakness to cause a denial of service.

Remediation

Vendor Solution

The recommended solution to address this vulnerability is to upgrade IBM Db2 Big SQL to version 8.2 or later available on IBM Cloud Pak for Data 5.2 or later by following the instructions for Upgrading Cloud Pak for Data https://www.ibm.com/docs/en/cloud-paks/cp-data/5.2.x  and Upgrading the Db2 Big SQL https://www.ibm.com/docs/en/cloud-paks/cp-data/5.2.x  service.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM Db2 Big SQL 7.6 on Cloud Pak for Data 4.8, 7.7 on Cloud Pak for Data 5.0, and 7.8 on Cloud Pak for Data 5.1 does not properly limit allocation of resources which could allow an authenticated user with internal knowledge of the system to cause a denial of service. IBM Db2 Big SQL on Cloud Pak for Data versions 7.6 (on CP4D 4.8), 7.7 (on CP4D 5.0), and 7.8 (on CP4D 5.1) do not properly limit the allocation of system resources. An authenticated user with internal knowledge of the environment could exploit this weakness to cause a denial of service.
First Time appeared Ibm
Ibm big Sql
CPEs cpe:2.3:a:ibm:big_sql:7.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:big_sql:7.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:big_sql:7.8:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm big Sql
Type Values Removed Values Added
Description IBM Db2 Big SQL 7.6 on Cloud Pak for Data 4.8, 7.7 on Cloud Pak for Data 5.0, and 7.8 on Cloud Pak for Data 5.1 does not properly limit allocation of resources which could allow an authenticated user with internal knowledge of the system to cause a denial of service.
Title IBM Db2 Big SQL on Cloud Pak for Data is vulnerable to a denial of service due to lack of throttling on an API
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Feb 4, 2026, 9:30 PM
Reserved
Jun 28, 2024, 9:34 AM
Status
Deferred
Published
Feb 4, 2026, 9:15 PM
Modified
Jun 17, 2026, 7:42 AM