CVE-2026-11828CWE-120

CVE-2026-11828

Medium · published October 19, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
16.0
In the wild
Unconfirmed
What it is

IBM MQ could allow a remote attacker with queue manager control or man-in-the-middle access on unencrypted channels to cause a denial of service in client applications using asynchronous message consumption due to improper validation of queue name length values.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00254 · 16.0th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-10-19T21:17Z
Affected products (109)
ProductVersionsFixed in
ibm/mq_operator≥ 2.0.0, ≤ 2.0.29—
ibm/mq_operator≥ 3.2.0, ≤ 3.2.29—
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References (1)
https://www.ibm.com/support/pages/node/7292667 · [email protected]
EPSS history
Timeline
  • 21 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 19 OCT 16:41Z
    IBM MQ Buffer Overflow
    cvelistv5
  • 19 OCT 16:41Z
    IBM MQ Buffer Overflow
    cvelistv5