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 improper neutralization of special elements in data query logic.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-30

Last Modified

2026-02-11

Generated

2026-07-06

AI Q&A

2026-01-31

EPSS Evaluated

2026-07-05

NVD

CVE-2025-36424

Affected Vendors & Products

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)

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

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 lead to a denial of service condition, meaning an attacker with local access could disrupt the availability of the IBM Db2 database service, potentially causing downtime or interruption of database operations.

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