CVE-2025-36427
Unknown Unknown - Not Provided
Improper Input Neutralization in IBM Db2 Causes DoS

Publication date: 2026-01-30

Last updated on: 2026-02-11

Assigner: IBM Corporation

Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow a user to cause a denial of service due to insufficient validation of special elements in data query logic.
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Meta Information
Published
2026-01-30
Last Modified
2026-02-11
Generated
2026-06-16
AI Q&A
2026-01-31
EPSS Evaluated
2026-06-15
NVD
CVE-2025-36427
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
ibm db2 From 11.5.0 (inc) to 11.5.9 (inc)
ibm db2 From 11.5.0 (inc) to 11.5.9 (inc)
ibm db2 From 11.5.0 (inc) to 11.5.9 (inc)
ibm db2 From 12.1.0 (inc) to 12.1.3 (inc)
ibm db2 From 12.1.0 (inc) to 12.1.3 (inc)
ibm db2 From 12.1.0 (inc) to 12.1.3 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-1284 The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
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Executive Summary

This vulnerability in IBM Db2 for Linux, UNIX, and Windows (versions 11.5.0 to 11.5.9 and 12.1.0 to 12.1.3) allows a local user to cause a denial of service by exploiting improper neutralization of special elements in data query logic.

Impact Analysis

The vulnerability can impact you by allowing a local user to cause a denial of service, which means the affected system or service could become unavailable or unresponsive.

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