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CVE-2026-12155

nvd nist
Published: Oct 19, 2026Modified: Oct 23, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: psirt@us.ibm.com (Secondary)

Description

IBM MQ could allow an authenticated attacker to cause a denial of service by sending specially crafted multicast status messages that trigger a NULL pointer dereference.

Affected (109)

2 products
Mq Operator
Configuration A
52 vulnerable
Vulnerable SoftwareAffected Versions
Ibm
2.0.0 ≤ version ≤ 2.0.29
3.2.0 ≤ version ≤ 3.2.29
Version 3.3.0
Version 3.4.0
Version 3.4.1
Version 3.5.0
Version 3.5.1
Version 3.5.2
Version 3.5.3
Version 3.6.0
Version 3.6.1
Version 3.6.2
Version 3.6.3
Version 3.6.4
Version 3.7.0
Version 3.7.1
Version 3.7.2
Version 3.8.0
Version 3.8.1
Version 3.9.0
Version 3.9.1
Version 3.9.2
Version 4.0.0
Version 4.0.1
Version 4.0.2
Version 4.0.3
Version 4.0.4
Ibm
Version 10.0.0.0 r1
Version 10.0.0.0 r2
Version 10.0.0.0 r3
Version 10.0.0.0 r4
Version 10.0.0.5 r1
Version 9.4.1.0 r1
Version 9.4.1.0 r2
Version 9.4.1.1 r1
Version 9.4.2.0 r1
Version 9.4.2.0 r2
Version 9.4.2.1 r1
Version 9.4.2.1 r2
Version 9.4.3.0 r1
Version 9.4.3.0 r2
Version 9.4.3.1 r1
Version 9.4.3.1 r2
Version 9.4.3.1 r3
Version 9.4.4.0 r1
Version 9.4.4.0 r2
Version 9.4.4.0 r3
Version 9.4.4.0 r4
Version 9.4.4.1 r1
Version 9.4.5.0 r1
Version 9.4.5.0 r2
Version 9.4.5.1 r1
Configuration B
35 vulnerable
Vulnerable SoftwareAffected Versions
Ibm
Version 9.3.0.0 r1
Version 9.3.0.0 r2
Version 9.3.0.0 r3
Version 9.3.0.10 r1
Version 9.3.0.10 r2
Version 9.3.0.11 r1
Version 9.3.0.11 r2
Version 9.3.0.15 r1
Version 9.3.0.16 r1
Version 9.3.0.16 r2
Version 9.3.0.17 r1
Version 9.3.0.17 r2
Version 9.3.0.17 r3
Version 9.3.0.1 r1
Version 9.3.0.1 r2
Version 9.3.0.1 r3
Version 9.3.0.1 r4
Version 9.3.0.20 r1
Version 9.3.0.20 r2
Version 9.3.0.21 r1
Version 9.3.0.21 r2
Version 9.3.0.21 r3
Version 9.3.0.25 r1
Version 9.3.0.3 r1
Version 9.3.0.4 r1
Version 9.3.0.4 r2
Version 9.3.0.5 r1
Version 9.3.0.5 r2
Version 9.3.0.5 r3
Version 9.3.0.6 r1
Version 9.4.0.0 r1
Version 9.4.0.0 r2
Version 9.4.0.0 r3
Version 9.4.0.5 r1
Version 9.4.0.5 r2
Configuration C
22 vulnerable

References (1)

Source: psirt@us.ibm.com
Vendor Advisory

Timeline

No history available yet.