CVE-2026-10574: CWE-122 Heap-based Buffer Overflow in IBM MQ Operator
Description
CVE-2026-10574 is a heap-based buffer overflow vulnerability in IBM MQ Operator that affects multiple versions. An authenticated attacker could exploit this flaw by sending malformed message handle properties during MQPUT or MQPUT1 operations, potentially causing denial of service or arbitrary code execution. The vulnerability has a high severity with a CVSS score of 8.8. No specific patch information is provided in the available data.
CVSS v3.1
Score 8.8high
Affected software
IBM
MQ Operator
IBM
MQ Advanced container images
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM MQ Operator contains a heap-based buffer overflow vulnerability (CWE-122) triggered when processing MQPUT or MQPUT1 operations with malformed message handle properties. This flaw allows an authenticated attacker to cause denial of service or potentially execute arbitrary code. The vulnerability affects numerous versions of IBM MQ Operator, ranging from 2.0.0 up to various 4.x and 9.x releases, including specific patch-level versions. The CVSS 3.1 base score is 8.8, indicating high severity with network attack vector, low attack complexity, required privileges, no user interaction, and impacts confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to denial of service or arbitrary code execution by an authenticated attacker. This compromises the confidentiality, integrity, and availability of the affected IBM MQ Operator service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict access to the IBM MQ Operator to trusted users and monitor for suspicious activity related to MQPUT or MQPUT1 operations with malformed message handle properties.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-06-01T17:08:59.924Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad64a102cdf04f6566e6f36
Added to database: 10/19/2026, 16:49:20 UTC
Last enriched: 10/19/2026, 17:04:07 UTC
Last updated: 10/19/2026, 19:06:46 UTC
Views: 8
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