CVE-2020-4267

MEDIUM 6.5CVE-2020-4267 · Published 24/04/2020 · updated 17/06/2026

In short

CVE-2020-4267 is a MEDIUM (CVSS 6.5) vulnerability affecting mq (ibm), mq appliance (ibm).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 70.3% of all vulnerabilities.
Fix: update to 8.0.0.14, 9.1.0.4, 9.1.5 or later.

Package	Affected versions	Patched versions
mq ibm	`≥ 8.0.0.0, < 8.0.0.14≥ 9.1.0.0, < 9.1.0.4`	`8.0.0.149.1.0.4`
mq appliance ibm	`≥ 9.1.0, < 9.1.5`	`9.1.5`

Description

IBM MQ and MQ Appliance 8.0, 9.1 LTS, and 9.1 CD could allow an authenticated user cause a denial of service due to a memory leak. IBM X-Force ID: 175840.

References

exchange.xforce.ibmcloud.com/vulnerabilities/175840 · VDB Entry
ibm.com/support/pages/node/6195384 · Vendor Advisory

More vulnerabilities in mq

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

ibm

≥ 8.0.0.0, < 8.0.0.14≥ 9.1.0.0, < 9.1.0.4

8.0.0.149.1.0.4

mq appliance

ibm

≥ 9.1.0, < 9.1.5

9.1.5

More vulnerabilities in mq

See all →