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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-11831

IBM MQ Heap-based Buffer Overflow

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Status
Published
Published
Updated
Assigning organization
ibm

Description

IBM MQ could allow an authenticated attacker to cause a limited denial of service and obtain very limited information about process memory layout due to an out-of-bounds read when processing a specially crafted client request.

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