CVE-2025-36407

IBM® Db2® is vulnerable to a denial of service with a specially crafted query that uses ALTER TABLE operations.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7257692	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:db2::::::linux::*
	cpe:2.3:a:ibm:db2::::::unix::*
	cpe:2.3:a:ibm:db2::::::windows::*
	cpe:2.3:a:ibm:db2::::::linux::*
	cpe:2.3:a:ibm:db2::::::unix::*
	cpe:2.3:a:ibm:db2::::::windows::*

History

09 Feb 2026, 15:16

Type	Values Removed	Values Added
Summary	(en) IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow a local user to cause a denial of service due to improper neutralization of special elements in data query logic.	(en) IBM® Db2® is vulnerable to a denial of service with a specially crafted query that uses ALTER TABLE operations.

05 Feb 2026, 19:57

Type	Values Removed	Values Added
First Time		Ibm db2 Ibm
CPE		cpe:2.3:a:ibm:db2::::::unix::* cpe:2.3:a:ibm:db2::::::windows::* cpe:2.3:a:ibm:db2::::::linux::*
References	~~() https://www.ibm.com/support/pages/node/7257692 -~~	() https://www.ibm.com/support/pages/node/7257692 - Patch, Vendor Advisory

30 Jan 2026, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-30 22:15

Updated : 2026-02-09 15:16

NVD link : CVE-2025-36407

Mitre link : CVE-2025-36407

CVE.ORG link : CVE-2025-36407

JSON object : View

Products Affected

ibm

db2

CWE

CWE-1284

Improper Validation of Specified Quantity in Input

{"id": "CVE-2025-36407", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2026-01-30T22:15:54.740", "references": [{"url": "https://www.ibm.com/support/pages/node/7257692", "tags": ["Patch", "Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-1284"}]}], "descriptions": [{"lang": "en", "value": "IBM\u00ae Db2\u00ae is vulnerable to a denial of service with a specially crafted query that uses ALTER TABLE operations."}], "lastModified": "2026-02-09T15:16:10.667", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*", "vulnerable": true, "matchCriteriaId": "ECAF5576-B4A5-4DB7-94F0-942F656F0461", "versionEndIncluding": "11.5.9", "versionStartIncluding": "11.5.0"}, {"criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*", "vulnerable": true, "matchCriteriaId": "B1E165E8-F11B-4F13-B54A-90D29CA2ABF8", "versionEndIncluding": "11.5.9", "versionStartIncluding": "11.5.0"}, {"criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "727E2804-2D3D-4C31-A3E5-F99107D02A27", "versionEndIncluding": "11.5.9", "versionStartIncluding": "11.5.0"}, {"criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*", "vulnerable": true, "matchCriteriaId": "2AA1764B-CD82-4B33-B85B-27CA2F7C0ED5", "versionEndIncluding": "12.1.3", "versionStartIncluding": "12.1.0"}, {"criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*", "vulnerable": true, "matchCriteriaId": "8F63D92C-AC19-4FB0-A605-08DC01875E7B", "versionEndIncluding": "12.1.3", "versionStartIncluding": "12.1.0"}, {"criteria": "cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "E28DCDF3-EF5B-47D6-BD38-C98334B67BE4", "versionEndIncluding": "12.1.3", "versionStartIncluding": "12.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}