Read the docs
TI-2024-27085 Aliases CVE-2024-40680GHSA-24xq-67qf-j3xr

IBM MQ denial of service

Priority LOW 24CWE-789Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-789.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00188 8th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMMQ9.3 CD, 9.4 LTS, 9.4 CD—No fix listedCNA
  • MQ VendorIBM Affected 9.3 CD, 9.4 LTS, 9.4 CD Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:mq_operator:2.0.26:*:*:*:-:*:*:*2.0.26VulnerableIBM
cpe:2.3:a:ibm:mq_operator:3.2.4:*:*:*:-:*:*:*3.2.4VulnerableIBM
  • cpe:2.3:a:ibm:mq_operator:2.0.26:*:*:*:-:*:*:* Versions 2.0.26 Vulnerable ·IBM
  • cpe:2.3:a:ibm:mq_operator:3.2.4:*:*:*:-:*:*:* Versions 3.2.4 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    IBM MQ — ibm.com/support/pages/node/7167732

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-40680
  2. 2026-10-03 Alias added: GHSA-24xq-67qf-j3xr

References

  • TI-2024-26662 IBM MQ Container authentication bypass CVSS 3.1CRITICAL 9.8
  • TI-2026-76402 Stack buffer overflow in IBM MQ lets remote attackers run code CVSS 3.1CRITICAL 9.8
  • TI-2025-24651 IBM MQ improper certificate validation CVSS 3.1CRITICAL 9.8
  • TI-2024-27086 IBM MQ security bypass CVSS 3.1HIGH 8.8
  • TI-2026-76396 Deserialization of untrusted data in IBM MQ Operator CVSS 3.1HIGH 8.8
  • TI-2026-76392 Improper buffer size validation in IBM MQ MQOPEN operations CVSS 3.1HIGH 8.8
See all 26 →

Sources