CVE-2026-12150CWE-121

CVE-2026-12150

High · published September 15, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
5.9
In the wild
Unconfirmed
What it is

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 with a trusted TLS client certificate to cause a denial of service and potentially affect memory contents due to improper validation of deeply nested certificate data during TLS certificate processing.

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00168 · 5.9th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-09-15T22:17Z
References (1)
https://www.ibm.com/support/pages/node/7284911 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 15 SEP 17:14Z
    IBM MQ queue manager is vulnerable to denial of service
    cvelistv5