Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-36366

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/01/2026
Last modified:
05/02/2026

Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow a user to cause a denial of service by executing a query that invokes the JSON_Object scalar function, which may trigger an unhandled exception leading to abnormal server termination.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:* 11.5.0 (including) 11.5.9 (including)
cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:* 11.5.0 (including) 11.5.9 (including)
cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:* 11.5.0 (including) 11.5.9 (including)
cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:* 12.1.0 (including) 12.1.3 (including)
cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:* 12.1.0 (including) 12.1.3 (including)
cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:* 12.1.0 (including) 12.1.3 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools