CVE-2026-18142— IBM MQ is affected by a denial of service vulnerability
Quick assessment
Affected
IBM MQ
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
IBM MQ 9.2.0.0 至 9.2.0.44 LTS、9.3.0.0 至 9.3.0.42 LTS、9.4.0.0 至 9.4.0.26 LTS、9.4.0.0 至 9.4.5.1 CD，以及 10.0.0.0 至 10.0.0.5 LTS 和 CD 版本中，由于存在整数溢出漏洞，可能允许经过身份验证的远程攻击者引发拒绝服务（DoS）并造成有限的内存损坏。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2026-18142
Vulnerability Information
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Vulnerability Title
IBM MQ is affected by a denial of service vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-18142
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-18142 (1)
Same Patch Batch · IBM · 2026-11-04 · 27 CVEs total
| CVE-2026-82418 | 9.8 CRITICAL | IBM Watson Speech Services Cartridge is vulnerable to a Use After Free condition in crypto |
| CVE-2026-13292 | 8.8 HIGH | IBM MQ Managed File Transfer is affected by an arbitrary code execution vulnerability |
| CVE-2026-11376 | 8.8 HIGH | IBM MQ is affected by a denial of service vulnerability |
| CVE-2026-11724 | 8.5 HIGH | IBM MQ Managed File Transfer is affected by an arbitrary code execution vulnerability |
| CVE-2026-13271 | 8.1 HIGH | IBM MQ Managed File Transfer is affected by a denial of service vulnerability |
| CVE-2026-17493 | 7.5 HIGH | IBM Watson Speech Services Cartridge is vulnerable to a D.O.S. in Unpacker. |
| CVE-2026-12356 | 7.5 HIGH | IBM MQ Managed File Transfer is affected by an arbitrary code execution vulnerability |
| CVE-2026-10859 | 7.5 HIGH | IBM MQ XMS .NET client is affected by an arbitrary code execution vulnerability |
| CVE-2026-13289 | 7.1 HIGH | IBM MQ Managed File Transfer is vulnerable to XML external entity injection |
| CVE-2026-13284 | 7.1 HIGH | IBM MQ Managed File Transfer is vulnerable to XML external entity injection |
| CVE-2026-16725 | 6.5 MEDIUM | IBM Watson Speech Services Cartridge is vulnerable to a Path Traversal in LangSmith |
| CVE-2026-110282 | 6.5 MEDIUM | Multiple vulnerabilities that affects IBM Db2 Genius Hub |
| CVE-2026-14252 | 6.2 MEDIUM | IBM MQ is affected by a pasword disclosure vulnerability in the runmqccred utility |
| CVE-2026-110281 | 5.9 MEDIUM | Multiple vulnerabilities that affects IBM Db2 Genius Hub |
| CVE-2026-108588 | 5.4 MEDIUM | Multiple vulnerabilities that affects IBM Db2 Genius Hub |
| CVE-2026-12538 | 5.4 MEDIUM | IBM MQ Appliance is affected by an improper validation vulnerability |
| CVE-2026-12550 | 5.4 MEDIUM | IBM MQ is affected by a denial of service vulnerability |
| CVE-2026-19319 | 5.3 MEDIUM | IBM Watson Speech Services Cartridge is vulnerable to an Out-of-bounds Read in Onnx |
| CVE-2026-108536 | 4.6 MEDIUM | Multiple vulnerabilities that affects IBM Db2 Genius Hub |
| CVE-2026-110283 | 4.3 MEDIUM | Multiple vulnerabilities that affects IBM Db2 Genius Hub |
Showing top 20 of 27 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: MQ
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CVE-2026-10859
IBM MQ XMS .NET client is affected by an arbitrary code exec -
CVE-2026-11376
IBM MQ is affected by a denial of service vulnerability -
CVE-2026-11724
IBM MQ Managed File Transfer is affected by an arbitrary cod -
CVE-2026-12356
IBM MQ Managed File Transfer is affected by an arbitrary cod -
CVE-2026-12550
IBM MQ is affected by a denial of service vulnerability
Same vendor: IBM
-
CVE-2026-16725
IBM Watson Speech Services Cartridge is vulnerable to a Path -
CVE-2026-19319
IBM Watson Speech Services Cartridge is vulnerable to an Out -
CVE-2026-82418
IBM Watson Speech Services Cartridge is vulnerable to a Use -
CVE-2026-17493
IBM Watson Speech Services Cartridge is vulnerable to a D.O. -
CVE-2026-105702
Multiple vulnerabilities that affects IBM Db2 Genius Hub
Same weakness: CWE-190
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CVE-2026-122130
CESNET ipfixcol2 2.3.0 before 2.9.0 Buffer Overflow via Forw -
CVE-2026-11376
IBM MQ is affected by a denial of service vulnerability -
CVE-2026-108324
Tanium addressed a denial of service vulnerability in Tanium -
CVE-2026-121219
Chrome 157.0.8103.38 之前 GPU 整数溢出漏洞 -
CVE-2026-120954
Silent element-count truncation via 32-bit bit-length overfl