CVE-2026-10575

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when processing MQPUT operations with malformed distribution headers.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7287778	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:mq:::::lts:::*
	cpe:2.3:a:ibm:mq:::::lts:::*
	cpe:2.3:a:ibm:mq:::::lts:::*
	cpe:2.3:a:ibm:mq:::::continuous_delivery:::*
	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:::

History

23 Sep 2026, 18:32

Type	Values Removed	Values Added
References	~~() https://www.ibm.com/support/pages/node/7287778 -~~	() https://www.ibm.com/support/pages/node/7287778 - Patch, Vendor Advisory
First Time		Ibm Ibm mq
CPE		cpe:2.3:a:ibm:mq:10.0.0.0::::continuous_delivery::: cpe:2.3:a:ibm:mq:::::lts:::* cpe:2.3:a:ibm:mq:::::continuous_delivery:::*

18 Sep 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-18 16:17

Updated : 2026-09-23 18:32

NVD link : CVE-2026-10575

Mitre link : CVE-2026-10575

CVE.ORG link : CVE-2026-10575

JSON object : View

Products Affected

ibm

mq

CWE

CWE-122

Heap-based Buffer Overflow

{"id": "CVE-2026-10575", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-10575", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-19T03:56:44.436047Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.1.0.37:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.2.0.43:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.3.0.41:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.4.0.25:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "MQ", "versions": [{"status": "affected", "version": "9.1.0.0", "versionType": "semver", "lessThanOrEqual": "9.1.0.37 LTS"}, {"status": "affected", "version": "9.2.0.0", "versionType": "semver", "lessThanOrEqual": "9.2.0.43 LTS"}, {"status": "affected", "version": "9.3.0.0", "versionType": "semver", "lessThanOrEqual": "9.3.0.41 LTS"}, {"status": "affected", "version": "9.3.0.0", "versionType": "semver", "lessThanOrEqual": "9.3.5.1 CD"}, {"status": "affected", "version": "9.4.0.0", "versionType": "semver", "lessThanOrEqual": "9.4.0.25 LTS"}, {"status": "affected", "version": "9.4.0.0", "versionType": "semver", "lessThanOrEqual": "9.4.5.1 CD"}, {"status": "affected", "version": "10.0.0.0"}]}]}], "published": "2026-09-18T16:17:04.150", "references": [{"url": "https://www.ibm.com/support/pages/node/7287778", "tags": ["Patch", "Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when processing MQPUT operations with malformed distribution headers."}], "lastModified": "2026-09-23T18:32:15.760", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "D96417F2-11E6-409A-B3D9-029D1F9439A7", "versionEndIncluding": "9.1.0.37", "versionStartIncluding": "9.1.0.0"}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "D0A693FB-D40D-4E59-B376-B2C261C2D9C0", "versionEndIncluding": "9.2.0.43", "versionStartIncluding": "9.2.0.0"}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "237687C2-94CE-4F13-B843-2203AFA56891", "versionEndIncluding": "9.3.0.41", "versionStartIncluding": "9.3.0.0"}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:*", "vulnerable": true, "matchCriteriaId": "86E7AEF9-AABE-44D3-83AB-629F95270458", "versionEndIncluding": "9.3.5.1", "versionStartIncluding": "9.3.0.0"}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "781729F4-DDEA-44C8-AE89-40D8F6B52DEB", "versionEndIncluding": "9.4.0.25", "versionStartIncluding": "9.4.0.0"}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:*", "vulnerable": true, "matchCriteriaId": "53BCC172-C8CC-4B55-A7C5-F262E5CC7274", "versionEndIncluding": "9.4.5.1", "versionStartIncluding": "9.4.0.0"}, {"criteria": "cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:continuous_delivery:*:*:*", "vulnerable": true, "matchCriteriaId": "7038C548-5958-4719-B03F-C255E8CA82A0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}