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CVE-2026-18142IBM MQ is affected by a denial of service vulnerability
IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow a remote authenticated attacker to cause a denial of service and perform limited memory corruption due to an integer overflow.
7.1 HIGHEPSS 0.42%Not in KEVNVD: Undergoing Analysis
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.1 | HIGH | 3.1ibm (CNA) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H |
Details
- CVE ID
- CVE-2026-18142
- Status
- Undergoing Analysis
- Assigner (CNA)
- ibm
- Published
- Nov 4, 2026
- Last modified
- 2026-11-04 21:18 UTC
- Weaknesses
- CWE-190 · Integer Overflow or Wraparound
Affected Products
As published by the CNA in the CVE record.
IBMMQ5 version ranges
- 9.2.0.0 through 9.2.0.44
- 9.3.0.0 through 9.3.0.42
- 9.4.0.0 through 9.4.0.26
- 9.4.0.0 through 9.4.5.1
- 10.0.0.0 through 10.0.0.5