What is CVE-2025-2518?

CVE-2025-2518 is a medium-severity vulnerability in IBM Db2, classified under CWE-789. CVSS score: 5.3/10. Published 2025-05-29.

How severe is CVE-2025-2518?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in IBM Db2

CVE-2025-2518

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

Published 2025-05-29 · last modified 2026-06-17.

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 (23.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

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

Weakness classification (CWE)

CWE-789

References

www.ibm.com/support/pages/node/7235072 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-2518?: CVE-2025-2518 is a medium-severity vulnerability in IBM Db2, classified under CWE-789. CVSS score: 5.3/10. Published 2025-05-29.
How severe is CVE-2025-2518?: Medium severity. CVSS v3 base score is 5.3 out of 10.