What is CVE-2025-36366?

CVE-2025-36366 is a medium-severity vulnerability in Ibm Db2 For Linux, Unix And Windows, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 6.5/10. Published 2026-01-30.

How severe is CVE-2025-36366?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Ibm Db2 For Linux, Unix And Windows

CVE-2025-36366

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 abnorm…

EPSS: 0.000 (14.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ibm Db2 For Linux, Unix And Windows — versions 11.5.0, 12.1.0

Weakness classification (CWE)

CWE-943 — Improper Neutralization of Special Elements in Data Query Logic

References

www.ibm.com/support/pages/node/7257681 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-36366?: CVE-2025-36366 is a medium-severity vulnerability in Ibm Db2 For Linux, Unix And Windows, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 6.5/10. Published 2026-01-30.
How severe is CVE-2025-36366?: Medium severity. CVSS v3 base score is 6.5 out of 10.