SARA / Free Tools / CVE / CVE-2024-40680

CVE-2024-40680 — IBM MQ 9

IBM MQ 9.3 CD and 9.4 LTS/CD could allow a local user to cause a denial of service due to improper memory allocation causing a segmentation fault.

CVSS

5.5 MEDIUM

EPSS

4.00% (top 86.40%)

CWE

CWE-789

Published

2024-09-07T14:02:30.422Z

Last modified

2024-10-31T16:26:59.453Z

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

IBM MQ 9.3 CD and 9.4 LTS/CD could allow a local user to cause a denial of service due to improper memory allocation causing a segmentation fault.

Vendor	Product	Versions
IBM	MQ	9.3 CD, 9.4 LTS, 9.4 CD

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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