Vulnerability in IBM Db2

CVE-2025-2534

IBM Db2 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (18.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-2534: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • IBM Db2 — versions 11.1.0, 11.5.0, 12.1.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-2534?
CVE-2025-2534 is a medium-severity vulnerability in IBM Db2, classified under CWE-789. CVSS score: 5.3/10. Published 2025-11-07.
How severe is CVE-2025-2534?
Medium severity. CVSS v3 base score is 5.3 out of 10.