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CVE-2026-10027 Details

Description

IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.ibm.com/support/pages/node/7284893	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
ibm mq	>= 9.1.0.0, <= 9.1.0.37 >= 9.2.0.0, <= 9.2.0.43 >= 9.3.0.0, <= 9.3.0.41 >= 9.3.0.0, <= 9.3.5.1 >= 9.4.0.0, <= 9.4.0.25
CPE cpe:2.3:a:ibm:mq:::::lts:::* cpe:2.3:a:ibm:mq:::::continuous_delivery:::* cpe:2.3:a:ibm:mq:10.0.0.0::::continuous_delivery::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Sep 23, 2026	Initial Analysis	[email protected]
Sep 21, 2026	CVE Modified	CISA-ADP
Sep 19, 2026	CVE Modified	CISA-ADP
Sep 18, 2026	New CVE Received	[email protected]