CVE-2025-36366

IBM Db2 Denial of Service

State: Published
Severity: 6.5 Medium
Published: Jan 30, 2026
Updated: Feb 3, 2026
Reserved: Apr 15, 2025

Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow a user to cause a denial of service by executing a query that invokes the JSON_Object scalar function, which may trigger an unhandled exception leading to abnormal server termination.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	ibm

Weaknesses

CWE-943

Affected Products

Product	Versions
Db2 for Linux, UNIX and WindowsIBM	11.5.0 through 11.5.9Affected 12.1.0 through 12.1.3Affected

References

https://www.ibm.com/support/pages/node/7257681vendor-advisorypatch

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