CVE-2026-6052: Vulnerability in IBM Db2
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.
AI Analysis
Technical Summary
IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.4 contain a vulnerability (CVE-2026-6052) where executing specific queries on MDC (Multi-Dimensional Clustering) tables can cause the database to run out of memory. This results in an availability impact due to potential denial of service. The vulnerability has a CVSS 3.1 base score of 6.5, indicating medium severity, with network attack vector, low attack complexity, requiring low privileges, no user interaction, and impacting availability only. No patch or vendor advisory detailing remediation is currently available.
Potential Impact
The vulnerability can cause IBM Db2 to exhaust memory resources when processing certain queries on MDC tables, leading to denial of service conditions. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting or monitoring the use of queries involving MDC tables to reduce the risk of memory exhaustion.
CVE-2026-6052: Vulnerability in IBM Db2
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.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.4 contain a vulnerability (CVE-2026-6052) where executing specific queries on MDC (Multi-Dimensional Clustering) tables can cause the database to run out of memory. This results in an availability impact due to potential denial of service. The vulnerability has a CVSS 3.1 base score of 6.5, indicating medium severity, with network attack vector, low attack complexity, requiring low privileges, no user interaction, and impacting availability only. No patch or vendor advisory detailing remediation is currently available.
Potential Impact
The vulnerability can cause IBM Db2 to exhaust memory resources when processing certain queries on MDC tables, leading to denial of service conditions. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting or monitoring the use of queries involving MDC tables to reduce the risk of memory exhaustion.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-04-09T22:08:53.174Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a16f9dee29bf47b50c0ede6
Added to database: 05/27/2026, 14:04:14 UTC
Last enriched: 05/27/2026, 15:05:45 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 36
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