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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-12670

IBM MQ Denial of Service

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Status
Published
Published
Updated
Assigning organization
ibm

Description

IBM MQ could allow an authenticated attacker to cause a denial of service through a specially crafted message that triggers excessive memory operations during character set conversion.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM MQ Operator

Default version status: unaffected

  • 3.2.0 to ≤ 3.2.29affected
  • 3.3.0 to < 3.4.0affected
  • 3.4.1affected
  • 3.5.0affected
  • 3.5.1 to ≤ 3.5.3affected
  • 3.6.0 to ≤ 3.6.4affected
  • 3.7.0 to ≤ 3.7.2affected
  • 3.8.0affected
  • 3.8.1affected
  • 3.9.0affected
  • 3.9.1affected
  • 3.9.2affected
  • 4.0.0affected
  • 4.0.1affected
  • 4.0.2affected
  • 4.0.3affected
  • 4.0.4affected
  • 2.0.0 to ≤ 2.0.29affected

IBM MQ Advanced container images

Default version status: unaffected

  • 9.4.0.6-r1 to ≤ r1, 9.4.0.6-r2, 9.4.0.7-r1, 9.4.0.10-r1, 9.4.0.10-r2, 9.4.0.11-r1, 9.4.0.11-r2, 9.4.0.11-r3, 9.4.0.12-r1, 9.4.0.15-r1 - 9.4.0.15-r4, 9.4.0.16-r1, 9.4.0.16-r2, 9.4.0.17-r1, 9.4.0.17-r2, 9.4.0.20-r1, 9.4.0.21-r1, 9.4.0.21-r2, 9.4.0.25-r1 - 9.4.0.25-r3, 9.4.0.26-r1CD: 9.4.1.0-r1, 9.4.1.0-r2, 9.4.1.1-r1, 9.4.2.0-r1, 9.4.2.0-r2, 9.4.2.1-r1, 9.4.2.1-r2, 9.4.3.0-r1, 9.4.3.0-r2, 9.4.3.1-r1 - 9.4.3.1-r3, 9.4.4.0-r1 - 9.4.4.0-r4, 9.4.4.1-r1, 9.4.5.0-r1, 9.4.5.0-r2, 9.4.5.1-r1, 10.0.0.0-r1 - 10.0.0.0-r4, 10.0.0.5-r1LTS: 9.3.0.0-r1, 9.3.0.0-r2, 9.3.0.0-r3, 9.3.0.1-r1, 9.3.0.1-r2, 9.3.0.1-r3, 9.3.0.1-r4, 9.3.0.3-r1, 9.3.0.4-r1, 9.3.0.4-r2, 9.3.0.5-r1, 9.3.0.5-r2, 9.3.0.5-r3, 9.3.0.6-r1, 9.3.0.10-r1, 9.3.0.10-r2, 9.3.0.11-r1,9.3.0.11-r2, 9.3.0.15-r1, 9.3.0.16-r1, 9.3.0.16-r2, 9.3.0.17-r1, 9.3.0.17-r2, 9.3.0.17-r3, 9.3.0.20-r1, 9.3.0.20-r2, 9.3.0.21-r1, 9.3.0.21-r2, 9.3.0.21-r3, 9.3.0.25-r1, 9.4.0.0-r1, 9.4.0.0-r2, 9.4.0.0-r3, 9.4.0.5-r1, 9.4.0.5-r2affected
  • 9.4.0.6-r2affected
  • 9.4.0.7-r1affected
  • 9.4.0.10-r1affected
  • 9.4.0.10-r2affected
  • 9.4.0.11-r1affected
  • 9.4.0.11-r2affected
  • 9.4.0.11-r3affected
  • 9.4.0.12-r1affected
  • 9.4.0.15-r1 to ≤ 9.4.0.15-r4affected
  • 9.4.0.16-r1affected
  • 9.4.0.16-r2affected
  • 9.4.0.17-r1affected
  • 9.4.0.17-r2affected
  • 9.4.0.20-r1affected
  • 9.4.0.21-r1affected
  • 9.4.0.21-r2affected
  • 9.4.0.25-r1 to ≤ 9.4.0.25-r3affected
  • 9.4.0.26-r1affected
  • 9.4.1.0-r1affected
  • 9.4.1.0-r2affected
  • 9.4.1.1-r1affected
  • 9.4.2.0-r1affected
  • 9.4.2.0-r2affected
  • 9.4.2.1-r1affected
  • 9.4.2.1-r2affected
  • 9.4.3.0-r1affected
  • 9.4.3.0-r2affected
  • 9.4.3.1-r1 to ≤ 9.4.3.1-r3affected
  • 9.4.4.0-r1affected
  • 9.4.4.1-r1affected
  • 9.4.5.0-r1affected
  • 9.4.5.0-r2affected
  • 9.4.5.1-r1affected
  • 10.0.0.0-r1 to ≤ 10.0.0.0-r4affected
  • 10.0.0.5-r1affected
  • 9.3.0.0-r1affected
  • 9.3.0.0-r2affected
  • 9.3.0.0-r3affected
  • 9.3.0.1-r1affected
  • 9.3.0.1-r2affected
  • 9.3.0.1-r3affected
  • 9.3.0.1-r4affected
  • 9.3.0.3-r1affected
  • 9.3.0.4-r1affected
  • 9.3.0.4-r2affected
  • 9.3.0.5-r1affected
  • 9.3.0.5-r2affected
  • 9.3.0.5-r3affected
  • 9.3.0.6-r1affected
  • 9.3.0.10-r1affected
  • 9.3.0.10-r2affected
  • 9.3.0.11-r1affected
  • 9.3.0.11-r2affected
  • 9.3.0.15-r1affected
  • 9.3.0.16-r1affected
  • 9.3.0.16-r2affected
  • 9.3.0.17-r1affected
  • 9.3.0.17-r2affected
  • 9.3.0.17-r3affected
  • 9.3.0.20-r1affected
  • 9.3.0.20-r2affected
  • 9.3.0.21-r1affected
  • 9.3.0.21-r2affected
  • 9.3.0.21-r3affected
  • 9.3.0.25-r1affected
  • 9.4.0.0-r1affected
  • 9.4.0.0-r2affected
  • 9.4.0.0-r3affected
  • 9.4.0.5-r1affected
  • 9.4.0.5-r2affected

References