CVE-2024-31919

IBM MQ denial of service

HIGH
7.5
CVSS Score
Published: June 28, 2024 at 05:34 PM UTC
Updated: June 17, 2026 at 07:28 AM UTC
2 products affected across 1 vendorMQMQ Appliance

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Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS and 9.3 CD, in certain configurations, is vulnerable to a denial of service attack caused by an error processing messages when an API Exit using MQBUFMH is used. IBM X-Force ID: 290259.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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