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CVE-2026-11831

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

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5.4
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Exploitability: 2.8 / Impact: 2.5
Source: psirt@us.ibm.com (Secondary)

Description

IBM MQ could allow an authenticated attacker to cause a limited denial of service and obtain very limited information about process memory layout due to an out-of-bounds read when processing a specially crafted client request.

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.