CVE-2025-36366

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of service disruption.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-01-30 22:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 09:14 UTC Last updatedMost recent change to the record

Details

Published

2026-01-30 22:15 UTC

Last modified

2026-06-17 09:14 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-943

Record status

Analyzed

Affected

• IBM db2 ≤ 11.5.9
• IBM db2 ≤ 12.1.3

Attack profile CVSS 3.1 · 6.5

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High