What is CVE-2025-36442?

CVE-2025-36442 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-2025-36442?

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

Vulnerability in Ibm Db2 For Linux, Unix And Windows

CVE-2025-36442

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query with XML columns.

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/7257698 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-36442?: CVE-2025-36442 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-2025-36442?: Medium severity. CVSS v3 base score is 6.5 out of 10.