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CVE-2026-6052— IBM® Db2® is vulnerable to running out of memory when executing certain queries with MDC tables

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1AI

T1496 · Resource Hijacking

Affected Version Matrix 2

VendorProductVersion RangeStatus
IBMDb211.5.0≤ 11.5.9affected
12.1.0≤ 12.1.4affected
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I. Basic Information for CVE-2026-6052

Vulnerability Information
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Vulnerability Title
IBM® Db2® is vulnerable to running out of memory when executing certain queries with MDC tables
Source: NVD (National Vulnerability Database)
Vulnerability Description
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to running out of memory when executing certain queries with MDC tables.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
IBMDb2 11.5.0 ~ 11.5.9 cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-6052

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III. Intelligence Information for CVE-2026-6052

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Other References for CVE-2026-6052 (1)

Same Patch Batch · IBM · 2026-05-27 · 29 CVEs total

CVE-2026-75249.8 CRITICALPath Traversal Vulnerability in File Processing Components Allows Unauthorized File System
CVE-2026-81759.8 CRITICALMultiple vulnerabilities in Aspera applications.
CVE-2026-50658.8 HIGHIBM Controller is affected by vulnerabilities
CVE-2026-81798.8 HIGHMultiple vulnerabilities in Aspera applications.
CVE-2026-73658.4 HIGHIBM Operations Analytics - Log Analysis is affected by Information disclosure due to defau
CVE-2026-36237.8 HIGHVulnerabilities exists in IBM Netezza Performance Server Replication Services
CVE-2026-33667.5 HIGHInfoSphere Optim Test Data Fabrication is affected by Arbitrary File Read
CVE-2026-81807.5 HIGHMultiple vulnerabilities in Aspera applications.
CVE-2024-564627.2 HIGHIBM QRadar SIEM is vulnerable to using components with known vulnerabilities
CVE-2026-17187.1 HIGHIBM® Db2® is vulnerable to a denial of service with a specially crafted query when running
CVE-2026-75287.1 HIGHUnauthenticated File Upload Vulnerability Allows Disk Space Exhaustion and Path Disclosure
CVE-2026-84056.5 MEDIUMIBM Guardium Data Protection is affected by Exposure of Sensitive Information vulnerabilit
CVE-2026-90356.5 MEDIUMMultiple vulnerabilities in Aspera applications.
CVE-2026-69386.5 MEDIUMIBM® Db2® is vulnerable to authorization bypass when uploading to a remote object storage
CVE-2026-69366.5 MEDIUMIBM i is Affected by a Denial of Service Vulnerability []
CVE-2026-36766.5 MEDIUMThere are multiple vulnerabilities in IBM DB2 bundled with IBM Application Performance Man
CVE-2024-406845.9 MEDIUMIBM Operations Analytics - Log Analysis is affected by Weak Password Policy and Inadequate
CVE-2026-60535.5 MEDIUMIBM® Db2® is vulnerable to a denial of service when a specially crafted query is run with
CVE-2026-60515.5 MEDIUMIBM® Db2® is vulnerable to a denial of service when executing a specially crafted query wi
CVE-2026-55155.5 MEDIUMIBM App Connect Enterprise is vulnerable to a confidential disclosure

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Db2
Same vendor: IBM

V. Comments for CVE-2026-6052

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