CVE-2026-10743: IBM MQ Race Condition

Published Oct 15, 2026
·
Updated

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 operations.

Affected Software

112 affected components
IBM MQ
IBM MQ Operator<=SC2: v3.2.0 - v3.2.29 CD:  v3.3.0, v3.4.0, v3.4.1, v3.5.0, v3.5.1 - v3.5.3, v3.6.0 - v3.6.4, v3.7.0 - v3.7.2, v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2, v4.0.0, v4.0.1, v4.0.2, v4.0.3, v4.0.4 LTS: v2.0.0 - 2.0.29
IBM supplied MQ Advanced container images<=SC2: 9.4.0.6-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-r2
IBM MQ Operator>=2.0.0<=2.0.29
IBM MQ Operator>=3.2.0<=3.2.29
IBM MQ Operator=3.3.0
IBM MQ Operator=3.4.0
IBM MQ Operator=3.4.1
IBM MQ Operator=3.5.0
IBM MQ Operator=3.5.1
IBM MQ Operator=3.5.2
IBM MQ Operator=3.5.3
IBM MQ Operator=3.6.0
IBM MQ Operator=3.6.1
IBM MQ Operator=3.6.2
IBM MQ Operator=3.6.3
IBM MQ Operator=3.6.4
IBM MQ Operator=3.7.0
IBM MQ Operator=3.7.1
IBM MQ Operator=3.7.2
IBM MQ Operator=3.8.0
IBM MQ Operator=3.8.1
IBM MQ Operator=3.9.0
IBM MQ Operator=3.9.1
IBM MQ Operator=3.9.2
IBM MQ Operator=4.0.0
IBM MQ Operator=4.0.1
IBM MQ Operator=4.0.2
IBM MQ Operator=4.0.3
IBM MQ Operator=4.0.4
IBM supplied MQ Advanced container images=9.4.1.0-r1
IBM supplied MQ Advanced container images=9.4.1.0-r2
IBM supplied MQ Advanced container images=9.4.1.1-r1
IBM supplied MQ Advanced container images=9.4.2.0-r1
IBM supplied MQ Advanced container images=9.4.2.0-r2
IBM supplied MQ Advanced container images=9.4.2.1-r1
IBM supplied MQ Advanced container images=9.4.2.1-r2
IBM supplied MQ Advanced container images=9.4.3.0-r1
IBM supplied MQ Advanced container images=9.4.3.0-r2
IBM supplied MQ Advanced container images=9.4.3.1-r1
IBM supplied MQ Advanced container images=9.4.3.1-r2
IBM supplied MQ Advanced container images=9.4.3.1-r3
IBM supplied MQ Advanced container images=9.4.4.0-r1
IBM supplied MQ Advanced container images=9.4.4.0-r2
IBM supplied MQ Advanced container images=9.4.4.0-r3
IBM supplied MQ Advanced container images=9.4.4.0-r4
IBM supplied MQ Advanced container images=9.4.4.1-r1
IBM supplied MQ Advanced container images=9.4.5.0-r1
IBM supplied MQ Advanced container images=9.4.5.0-r2
IBM supplied MQ Advanced container images=9.4.5.1-r1
IBM supplied MQ Advanced container images=10.0.0.0-r1
IBM supplied MQ Advanced container images=10.0.0.0-r2
IBM supplied MQ Advanced container images=10.0.0.0-r3
IBM supplied MQ Advanced container images=10.0.0.0-r4
IBM supplied MQ Advanced container images=10.0.0.5-r1
IBM supplied MQ Advanced container images=9.3.0.0-r1
IBM supplied MQ Advanced container images=9.3.0.0-r2
IBM supplied MQ Advanced container images=9.3.0.0-r3
IBM supplied MQ Advanced container images=9.3.0.1-r1
IBM supplied MQ Advanced container images=9.3.0.1-r2
IBM supplied MQ Advanced container images=9.3.0.1-r3
IBM supplied MQ Advanced container images=9.3.0.1-r4
IBM supplied MQ Advanced container images=9.3.0.3-r1
IBM supplied MQ Advanced container images=9.3.0.4-r1
IBM supplied MQ Advanced container images=9.3.0.4-r2
IBM supplied MQ Advanced container images=9.3.0.5-r1
IBM supplied MQ Advanced container images=9.3.0.5-r2
IBM supplied MQ Advanced container images=9.3.0.5-r3
IBM supplied MQ Advanced container images=9.3.0.6-r1
IBM supplied MQ Advanced container images=9.3.0.10-r1
IBM supplied MQ Advanced container images=9.3.0.10-r2
IBM supplied MQ Advanced container images=9.3.0.11-r1
IBM supplied MQ Advanced container images=9.3.0.11-r2
IBM supplied MQ Advanced container images=9.3.0.15-r1
IBM supplied MQ Advanced container images=9.3.0.16-r1
IBM supplied MQ Advanced container images=9.3.0.16-r2
IBM supplied MQ Advanced container images=9.3.0.17-r1
IBM supplied MQ Advanced container images=9.3.0.17-r2
IBM supplied MQ Advanced container images=9.3.0.17-r3
IBM supplied MQ Advanced container images=9.3.0.20-r1
IBM supplied MQ Advanced container images=9.3.0.20-r2
IBM supplied MQ Advanced container images=9.3.0.21-r1
IBM supplied MQ Advanced container images=9.3.0.21-r2
IBM supplied MQ Advanced container images=9.3.0.21-r3
IBM supplied MQ Advanced container images=9.3.0.25-r1
IBM supplied MQ Advanced container images=9.4.0.0-r1
IBM supplied MQ Advanced container images=9.4.0.0-r2
IBM supplied MQ Advanced container images=9.4.0.0-r3
IBM supplied MQ Advanced container images=9.4.0.5-r1
IBM supplied MQ Advanced container images=9.4.0.5-r2
IBM supplied MQ Advanced container images=9.4.0.6-r1
IBM supplied MQ Advanced container images=9.4.0.6-r2
IBM supplied MQ Advanced container images=9.4.0.7-r1
IBM supplied MQ Advanced container images=9.4.0.10-r1
IBM supplied MQ Advanced container images=9.4.0.10-r2
IBM supplied MQ Advanced container images=9.4.0.11-r1
IBM supplied MQ Advanced container images=9.4.0.11-r2
IBM supplied MQ Advanced container images=9.4.0.11-r3
IBM supplied MQ Advanced container images=9.4.0.12
IBM supplied MQ Advanced container images=9.4.0.12-r1
IBM supplied MQ Advanced container images=9.4.0.15-r1
IBM supplied MQ Advanced container images=9.4.0.15-r4
IBM supplied MQ Advanced container images=9.4.0.16-r1
IBM supplied MQ Advanced container images=9.4.0.16-r2
IBM supplied MQ Advanced container images=9.4.0.17-r1
IBM supplied MQ Advanced container images=9.4.0.17-r2
IBM supplied MQ Advanced container images=9.4.0.20-r1
IBM supplied MQ Advanced container images=9.4.0.21-r1
IBM supplied MQ Advanced container images=9.4.0.21-r2
IBM supplied MQ Advanced container images=9.4.0.25-r1
IBM supplied MQ Advanced container images=9.4.0.25-r3
IBM supplied MQ Advanced container images=9.4.0.26-r1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM MQ Container to a version that resolves this vulnerability.

    Fixed in 10.0.0.5-r2
  2. Upgrade

    Upgrade IBM MQ Container to a version that resolves this vulnerability.

    Fixed in 10.0.1.0-r1
  3. Upgrade

    Upgrade IBM MQ Advanced container image to a version that resolves this vulnerability.

    Fixed in 9.4.0.26-r2
  4. Upgrade

    Upgrade IBM MQ Operator to a version that resolves this vulnerability.

    Fixed in v3.2.30
  5. Upgrade

    Upgrade IBM MQ Operator to a version that resolves this vulnerability.

    Fixed in v4.0.5
  6. Upgrade

    Upgrade IBM MQ Operator to a version that resolves this vulnerability.

    Fixed in v4.1.0

Event History

Oct 15, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Oct 19, 2026
CVE Published
via MITRE·04:41 PM
Data Sourced
via MITRE·04:41 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What access does an attacker need to exploit this issue?

The attacker must be authenticated to IBM MQ. The provided CVSS vector indicates no user interaction is required and that the attack can be performed over the network.

2

What could successful exploitation cause?

Successful exploitation could cause a denial of service or memory corruption. The severity data indicates potential high impact to confidentiality, integrity, and availability.

3

Which deployments should be assessed?

Assess deployments using IBM MQ, IBM MQ Operator, and IBM-supplied MQ Advanced container images. The provided information does not identify unaffected versions or configuration-specific exclusions.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203