CVE-2026-10574: IBM MQ Buffer Overflow

Published Oct 15, 2026
·
Updated

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 or MQPUT1 operations with malformed message handle properties.

Affected Software

3 affected components
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

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 Container 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
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What level of access does an attacker need?

An attacker must be authenticated and able to submit MQPUT or MQPUT1 operations containing malformed message handle properties. No user interaction is required.

2

What impact should operators plan for?

Successful exploitation could cause a denial of service or potentially allow arbitrary code execution. The vulnerability has high confidentiality, integrity, and availability impact in the supplied severity vector.

3

Which deployments should be assessed?

Assess IBM MQ installations, IBM MQ Operator deployments, and IBM-supplied MQ Advanced container images. The provided information does not identify unaffected configurations or versions.

Company

Resources

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