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CVE-2026-12670

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: NVD

Description

IBM MQ could allow an authenticated attacker to cause a denial of service through a specially crafted message that triggers excessive memory operations during character set conversion.

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.