CVE-2026-11375 — HIGH (8.8)

Vulnerability Description

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-122

References

https://www.ibm.com/support/pages/node/7284948

FAQ

What is CVE-2026-11375?

CVE-2026-11375 is a vulnerability with a CVSS score of 8.8 (HIGH). IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.

How severe is CVE-2026-11375?

CVE-2026-11375 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-11375?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.