Vulnerabilities

IBM MQ could allow an authenticated attacker to cause a limited denial of service and obtain very limited information about process memory layout due…

IBM MQ could allow an authenticated attacker to cause a limited denial of service and obtain very limited information about process memory layout due to an out-of-bounds read when processing a specially crafted client request.

Read at NIST National Vulnerability Database (CVE API 2.0)

Vendor

IBM

Product

QRadar / WebSphere / Db2 / AIX / MQ / Maximo

CVSS

5.4

Exposure class

Web platform

• NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
• CVE-2026-11831 on this site · NVD · CVE.org · Vulnpedia

Other items that share a CVE or were clustered with this one.

1. 8
   CVE NVD 12d ago

   IBM MQ could allow an authenticated attacker to cause a denial of service through a specially crafted message that triggers excessive memory…

   CVSS 5.3 CVE-2026-12670 IBM
2. 8
   CVE NVD 12d ago

   IBM MQ could allow an authenticated attacker to cause a denial of service by sending a specially crafted asynchronous consume request that crashes…

   CVSS 6.5 CVE-2026-12350 IBM
3. 8
   CVE NVD 12d ago

   IBM MQ could allow an authenticated attacker to cause a denial of service due to improper validation of RFH2 message header fields in queued…

   CVSS 6.5 CVE-2026-12343 IBM
4. 8
   CVE NVD 12d ago

   IBM MQ could allow an authenticated attacker to cause a denial of service by sending specially crafted multicast status messages that trigger a NULL…

   CVSS 6.5 CVE-2026-12155 IBM
5. 15
   CVE NVD 12d ago

   IBM MQ Operator could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to unrestricted Java…

   CVSS 7.5 CVE-2026-12148 Oracle
6. 8
   CVE NVD 12d ago

   IBM MQ could allow an authenticated attacker to cause a denial of service due to improper validation of offset values in MQOPEN requests.

   CVSS 6.5 CVE-2026-11829 IBM
7. 15
   CVE NVD 12d ago

   IBM MQ could allow an authenticated attacker to cause a denial of service or corrupt memory due to improper validation of buffer sizes in MQOPEN…

   CVSS 8.8 CVE-2026-10743 IBM
8. 15
   CVE NVD 12d ago

   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…

   CVSS 8.8 CVE-2026-10574 IBM
9. 15
   CVE NVD 12d ago

   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…

   CVSS 8.8 CVE-2026-10572 IBM