CVE-2025-36009

Name: CVE-2025-36009
Creator: NVD / NIST
Published: 2026-01-30T22:15:53.2+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2025-36009 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service due to excessive use of a global variable.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service due to excessive use of a global variable.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.34%

25.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1284

Affected Software

Vendor	Product	Versions
Ibm	Db2	>= 11.5.0, <= 11.5.9
Ibm	Db2	>= 12.1.0, <= 12.1.3

References

https://www.ibm.com/support/pages/node/7257695Not Applicable

Timeline

Published: Jan 30, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-36009?

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service due to excessive use of a global variable.

How severe is CVE-2025-36009?

CVE-2025-36009 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2025-36009?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-36009?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST