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CVE-2025-36136

IBM denial of service

MEDIUM
5.5
CVSS Score
Published: November 7, 2025 at 06:45 PM UTC
Updated: October 7, 2026 at 09:10 PM UTC
1 product affected across 1 vendorDB2

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

DB2· IBM
95%
11.5.0 ≤ v ≤ 11.5.912.1.0 ≤ v ≤ 12.1.311.5.011.5.912.1.012.1.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: [email protected]
https://www.ibm.com/support/pages/node/7250485

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-770

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