CVE-2025-36136

IBM denial of service

At a glance

Severity: MEDIUM 5.1
EPSS: EPSS 0.11 % · percentile 2 (2026-10-27)
State: PUBLISHED
Published: 2025-11-07
Updated: 2025-11-07
Assigner: ibm
NVD status: Analyzed

Description

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 5.1	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	ibm
CVSS 3.1	MEDIUM 5.1	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · psirt@us.ibm.com (Secondary)
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-770

European references

ENISA EUVD · EUVD-2025-38311
GCVE · GCVE-0-2025-36136

CERT-FR advisories

CERTFR-2026-AVI-1165 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2026-AVI-0810 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2026-AVI-0109 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2025-AVI-1131 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:* ≥ 11.5.0 ≤ 11.5.9
cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:* ≥ 11.5.0 ≤ 11.5.9
cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:* ≥ 11.5.0 ≤ 11.5.9
cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:* ≥ 12.1.0 ≤ 12.1.3
cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:* ≥ 12.1.0 ≤ 12.1.3
cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:* ≥ 12.1.0 ≤ 12.1.3

Affected products

Product	Versions
IBM · Db2	affected 11.5.0 ≤ 11.5.9 ; affected 12.1.0 ≤ 12.1.3

References

https://www.ibm.com/support/pages/node/7250485

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD