CVE-2026-11728

Summary

IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker to cause a denial of service or potentially execute arbitrary code in the client due to a heap buffer overflow when receiving messages from a malicious queue manager or through a man-in-the-middle attack.

Affected Software

VendorProductVersion RangeStatus
IBMMQ9.1.0.0 <= 9.1.0.37 LTSaffected
IBMMQ9.2.0.0 <= 9.2.0.43 LTSaffected
IBMMQ9.3.0.0 <= 9.3.0.41 LTSaffected
IBMMQ9.3.0.0 <= 9.3.5.1 CDaffected
IBMMQ9.4.0.0 <= 9.4.0.25 LTSaffected
IBMMQ9.4.0.0 <= 9.4.5.1 CDaffected
IBMMQ10.0.0.0affected

Weaknesses

  • CWE-787: CWE-787 Out-of-bounds Write

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References