Resource exhaustion in IBM Db2

CVE-2025-36136

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local user to cause a denial of service due to the database monitor script incorrectly detecting that the instance is still starting under specific conditions.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.1% 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-2025-36136: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

  • IBM Db2 — versions 11.5.0, 12.1.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-36136?
CVE-2025-36136 is a medium-severity vulnerability in IBM Db2, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.1/10. Published 2025-11-07.
How severe is CVE-2025-36136?
Medium severity. CVSS v3 base score is 5.1 out of 10.