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IBM Db2 CVE-2026-1577

| EUVD-2026-26439 MEDIUM
Improper Validation of Specified Quantity in Input (CWE-1284)
2026-04-30 ibm
Denial Of Service IBM Microsoft
6.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
Apr 30, 2026 - 22:15 vuln.today
EUVD ID Assigned
Apr 30, 2026 - 22:00 euvd
EUVD-2026-26439
Analysis Generated
Apr 30, 2026 - 22:00 vuln.today
Patch released
Apr 30, 2026 - 22:00 nvd
Patch available
CVE Published
Apr 30, 2026 - 21:49 nvd
MEDIUM 6.5

DescriptionNVD

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.

AnalysisAI

Denial of service in IBM Db2 11.5.0-11.5.9 and 12.1.0-12.1.4 allows authenticated users to crash the database server via improper neutralization of special elements in query logic. An attacker with valid database credentials can trigger the vulnerability remotely without user interaction, resulting in service unavailability. …

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CVE-2026-1577 vulnerability details – vuln.today
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