Summary
generated automatically from NVD dataIBM MQ contains a heap buffer overflow (CWE-122) that is triggered when the product processes MQPUT operations carrying malformed message options. An authenticated attacker can exploit it over the network to cause a denial of service, and potentially to execute arbitrary code. The flaw has a CVSS v3.1 score of 8.8 (HIGH), and NVD has not yet listed the affected product versions.
NVD description
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow when processing MQPUT operations with malformed message options.
EPSS · FIRST.org
0.34%probability of exploitation in the next 30 days
Higher than 25% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-20, recomputed daily by FIRST.org.
CVSS v3.1 Score
Information
- Published
- 19 oct. 2026
- Updated
- 20 oct. 2026
- Status
- Undergoing Analysis
- Source
- psirt@us.ibm.com
Weaknesses (CWE)
References (1)
Similar CVEs
Other vulnerabilities of type CWE-122
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