CVE-2026-12670

MediumCVSS 6.5/10Last modified Oct 23, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-681

Affected software

VendorProductVersions
IBMMQ Operator>= 3.2.0, <= 3.2.29; >= 3.3.0, < 3.4.0; 3.4.1; 3.5.0; >= 3.5.1, <= 3.5.3; >= 3.6.0, <= 3.6.4; >= 3.7.0, <= 3.7.2; 3.8.0; 3.8.1; 3.9.0; 3.9.1; 3.9.2; 4.0.0; 4.0.1; 4.0.2; 4.0.3; 4.0.4; >= 2.0.0, <= 2.0.29
IBMMQ Advanced container images>= 9.4.0.6-r1, <= r1, 9.4.0.6-r2, 9.4.0.7-r1, 9.4.0.10-r1, 9.4.0.10-r2, 9.4.0.11-r1, 9.4.0.11-r2, 9.4.0.11-r3, 9.4.0.12-r1, 9.4.0.15-r1 - 9.4.0.15-r4, 9.4.0.16-r1, 9.4.0.16-r2, 9.4.0.17-r1, 9.4.0.17-r2, 9.4.0.20-r1, 9.4.0.21-r1, 9.4.0.21-r2, 9.4.0.25-r1 - 9.4.0.25-r3, 9.4.0.26-r1CD: 9.4.1.0-r1, 9.4.1.0-r2, 9.4.1.1-r1, 9.4.2.0-r1, 9.4.2.0-r2, 9.4.2.1-r1, 9.4.2.1-r2, 9.4.3.0-r1, 9.4.3.0-r2, 9.4.3.1-r1 - 9.4.3.1-r3, 9.4.4.0-r1 - 9.4.4.0-r4, 9.4.4.1-r1, 9.4.5.0-r1, 9.4.5.0-r2, 9.4.5.1-r1, 10.0.0.0-r1 - 10.0.0.0-r4, 10.0.0.5-r1LTS: 9.3.0.0-r1, 9.3.0.0-r2, 9.3.0.0-r3, 9.3.0.1-r1, 9.3.0.1-r2, 9.3.0.1-r3, 9.3.0.1-r4, 9.3.0.3-r1, 9.3.0.4-r1, 9.3.0.4-r2, 9.3.0.5-r1, 9.3.0.5-r2, 9.3.0.5-r3, 9.3.0.6-r1, 9.3.0.10-r1, 9.3.0.10-r2, 9.3.0.11-r1,9.3.0.11-r2, 9.3.0.15-r1, 9.3.0.16-r1, 9.3.0.16-r2, 9.3.0.17-r1, 9.3.0.17-r2, 9.3.0.17-r3, 9.3.0.20-r1, 9.3.0.20-r2, 9.3.0.21-r1, 9.3.0.21-r2, 9.3.0.21-r3, 9.3.0.25-r1, 9.4.0.0-r1, 9.4.0.0-r2, 9.4.0.0-r3, 9.4.0.5-r1, 9.4.0.5-r2; 9.4.0.6-r2; 9.4.0.7-r1; 9.4.0.10-r1; 9.4.0.10-r2; 9.4.0.11-r1; 9.4.0.11-r2; 9.4.0.11-r3; 9.4.0.12-r1; >= 9.4.0.15-r1, <= 9.4.0.15-r4; 9.4.0.16-r1; 9.4.0.16-r2; 9.4.0.17-r1; 9.4.0.17-r2; 9.4.0.20-r1; 9.4.0.21-r1; 9.4.0.21-r2; >= 9.4.0.25-r1, <= 9.4.0.25-r3; 9.4.0.26-r1; 9.4.1.0-r1

References

Timeline

Published
Oct 19, 2026
Last modified
Oct 23, 2026
NVD status
Analyzed

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CVE-2026-12670: Medium severity, CVSS 6.5 | Vulnix