CVE-2025-36423 Details
Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 12.1.0 - 12.1.3 could allow a local user to cause a denial of service due to improper neutralization of special elements in data query logic.
A denial-of-service vulnerability has been identified in IBM Db2 for Linux, UNIX, and Windows, specifically in versions 12.1.0 through 12.1.3, including Db2 Connect Server. This vulnerability could allow a local user to cause the server to crash by exploiting improper handling of special elements in data query logic.
Users can download a special build containing the interim fix for this issue from Fix Central. These special builds are available for Db2 version 12.1.2 and 12.1.3. Instructions for downloading these builds are available on the IBM Support page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.ibm.com/support/pages/node/7257694 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1284 | Improper Validation of Specified Quantity in Input | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ibm db2 | >= 12.1.0, <= 12.1.3 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Feb 5, 2026 | Initial Analysis | [email protected] |
| Jan 30, 2026 | New CVE Received | [email protected] |