Is CVE-2019-4141 being actively exploited?

CVE-2019-4141 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2019-4141?

CVE-2019-4141 has a CVSS 3.1 base score of 6.5 (MEDIUM).

CVE-2019-4141

MEDIUM · CVSS 6.5EPSS 1.3%EU EUVD

IBM MQ 7.1.0.0 - 7.1.0.9, 7.5.0.0 - 7.5.0.9, 8.0.0.0 - 8.0.0.11, 9.0.0.0 - 9.0.0.6, 9.1.0.0 - 9.1.0.2, and 9.1.1 - 9.1.2 is vulnerable to a denial of service attack caused by a memory leak in the clustering code. IBM X-Force ID: 158337.

Key facts

CVSS score: 6.5 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-401
EPSS score: 1.3% (71th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2019-13748)
Published: September 27, 2019
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2019-13748 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

ibm / websphere mq
ibm / websphere mq
ibm / websphere mq appliance
ibm / websphere mq appliance
ibm / websphere mq appliance

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

IBM WebSphere MQ v7.1.0.2 - IBM Corporation - Common Criteria - archived

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/158337(VDB Entry, Vendor Advisory)
https://www.ibm.com/support/pages/node/876772(Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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