CVE-2019-4378

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-09-26 · updated 2026-06-17

Description

IBM MQ 7.5.0.0 - 7.5.0.9, 7.1.0.0 - 7.1.0.9, 8.0.0.0 - 8.0.0.12, 9.0.0.0 - 9.0.0.6, 9.1.0.0 - 9.1.0.2, and 9.1.0 - 9.1.2 command server is vulnerable to a denial of service attack caused by an authenticated and authorized user using specially crafted PCF messages. IBM X-Force ID: 162084.

Affected products

IBM MQ: from 7.1.0.0 through 7.1.0.9; from 7.5.0.0 through 7.5.0.9; from 8.0.0.0 through 8.0.0.12; from 9.0.0.0 through 9.0.0.6; from 9.1.0.0 through 9.1.2.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/162084
https://supportcontent.ibm.com/support/pages/node/886885
https://exchange.xforce.ibmcloud.com/vulnerabilities/162084
https://supportcontent.ibm.com/support/pages/node/886885

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