CVE-2025-36366

MEDIUM

IBM Db2 < 11.5.9 - Denial of Service

Title source: rule

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.

References (1)

[Patch, Vendor Advisory] https://www.ibm.com/support/pages/node/7257681

Scores

CVSS v3 6.5

EPSS 0.0002

EPSS Percentile 4.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-943

Status published

Affected Products (3)

ibm/db2 < 11.5.9

Timeline

Published Jan 30, 2026

Tracked Since Feb 18, 2026