All vulnerabilities
CVE-2026-10572

MQ Operator: IBM MQ Buffer Overflow

IBM MQ Operator
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.34%Chance of exploitation activity in the next 30 days, higher than 26% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.4.0Fixed versionCVE List
Published19 Oct 2026Updated 20 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

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.

Text from CVE List

Affected versions 48

  • MQ Operatoraffected: 3.2.0 through 3.2.29CVE List
  • MQ Operatoraffected: 3.3.0 before 3.4.0CVE List
  • MQ Operatoraffected: 3.4.1CVE List
  • MQ Operatoraffected: 3.5.0CVE List
  • MQ Operatoraffected: 3.5.1 through 3.5.3CVE List
  • MQ Operatoraffected: 3.6.0 through 3.6.4CVE List
  • MQ Operatoraffected: 3.7.0 through 3.7.2CVE List
  • MQ Operatoraffected: 3.8.0CVE List
  • MQ Operatoraffected: 3.8.1CVE List
  • MQ Operatoraffected: 3.9.0CVE List
  • MQ Operatoraffected: 3.9.1CVE List
  • MQ Operatoraffected: 3.9.2CVE List
  • MQ Operatoraffected: 4.0.0CVE List
  • MQ Operatoraffected: 4.0.1CVE List
  • MQ Operatoraffected: 4.0.2CVE List
  • MQ Operatoraffected: 4.0.3CVE List
  • MQ Operatoraffected: 4.0.4CVE List
  • MQ Operatoraffected: 2.0.0 through 2.0.29CVE List
  • MQ Advanced container imagesaffected: 9.4.0.6-r1 through r1, 9.4.0.6-r2, 9.4.0.7-r1, 9.4.0.10-r1, 9.4.0.10-r2, 9.4.0.11-r1, 9.4.0.11-r2, 9.4.0.11-r3, 9.4.0.12-r1, 9.4.0.15-r1 - 9.4.0.15-r4, 9.4.0.16-r1, 9.4.0.16-r2, 9.4.0.17-r1, 9.4.0.17-r2, 9.4.0.20-r1, 9.4.0.21-r1, 9.4.0.21-r2, 9.4.0.25-r1 - 9.4.0.25-r3, 9.4.0.26-r1CD: 9.4.1.0-r1, 9.4.1.0-r2, 9.4.1.1-r1, 9.4.2.0-r1, 9.4.2.0-r2, 9.4.2.1-r1, 9.4.2.1-r2, 9.4.3.0-r1, 9.4.3.0-r2, 9.4.3.1-r1 - 9.4.3.1-r3, 9.4.4.0-r1 - 9.4.4.0-r4, 9.4.4.1-r1, 9.4.5.0-r1, 9.4.5.0-r2, 9.4.5.1-r1, 10.0.0.0-r1 - 10.0.0.0-r4, 10.0.0.5-r1LTS: 9.3.0.0-r1, 9.3.0.0-r2, 9.3.0.0-r3, 9.3.0.1-r1, 9.3.0.1-r2, 9.3.0.1-r3, 9.3.0.1-r4, 9.3.0.3-r1, 9.3.0.4-r1, 9.3.0.4-r2, 9.3.0.5-r1, 9.3.0.5-r2, 9.3.0.5-r3, 9.3.0.6-r1, 9.3.0.10-r1, 9.3.0.10-r2, 9.3.0.11-r1,9.3.0.11-r2, 9.3.0.15-r1, 9.3.0.16-r1, 9.3.0.16-r2, 9.3.0.17-r1, 9.3.0.17-r2, 9.3.0.17-r3, 9.3.0.20-r1, 9.3.0.20-r2, 9.3.0.21-r1, 9.3.0.21-r2, 9.3.0.21-r3, 9.3.0.25-r1, 9.4.0.0-r1, 9.4.0.0-r2, 9.4.0.0-r3, 9.4.0.5-r1, 9.4.0.5-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.0.6-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.0.7-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.0.10-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.0.10-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.0.11-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.0.11-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.0.11-r3CVE List
  • MQ Advanced container imagesaffected: 9.4.0.12-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.0.15-r1 through 9.4.0.15-r4CVE List
  • MQ Advanced container imagesaffected: 9.4.0.16-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.0.16-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.0.17-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.0.17-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.0.20-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.0.21-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.0.21-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.0.25-r1 through 9.4.0.25-r3CVE List
  • MQ Advanced container imagesaffected: 9.4.0.26-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.1.0-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.1.0-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.1.1-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.2.0-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.2.0-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.2.1-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.2.1-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.3.0-r1CVE List
  • MQ Advanced container imagesaffected: 9.4.3.0-r2CVE List
  • MQ Advanced container imagesaffected: 9.4.3.1-r1 through 9.4.3.1-r3CVE List
  • MQ Advanced container imagesaffected: 9.4.4.0-r1CVE List

References 1