CVE-2026-12669
Low
Description
IBM MQ could allow an authenticated attacker to trigger a minor out-of-bounds read when sending malformed compressed data, though the data is not disclosed and the request is rejected.
SeverityLow
CVSS3.1
Exploit probability—
Product
Ibm Mq Operator
PublishedOct 19, 2026
First seenOct 19, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm mq_operator | 2.0.0 ≤ v ≤ 2.0.29, 3.2.0 ≤ v ≤ 3.2.29, 3.3.0, 3.4.0, 3.4.1, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.6.4, 3.7.0, 3.7.1, 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 | — |
| ibm supplied_mq_advanced_container_images | 9.4.1.0, 9.4.1.1, 9.4.2.0, 9.4.2.1, 9.4.3.0, 9.4.3.1, 9.4.4.0, 9.4.4.1, 9.4.5.0, 9.4.5.1, 10.0.0.0, 10.0.0.5, 9.3.0.0, 9.3.0.1, 9.3.0.3, 9.3.0.4, 9.3.0.5, 9.3.0.6, 9.3.0.10, 9.3.0.11, 9.3.0.15, 9.3.0.16, 9.3.0.17, 9.3.0.20, 9.3.0.21, 9.3.0.25, 9.4.0.0, 9.4.0.5, 9.4.0.6, 9.4.0.7, 9.4.0.10, 9.4.0.11, 9.4.0.12, 9.4.0.15, 9.4.0.16, 9.4.0.17, 9.4.0.20, 9.4.0.21, 9.4.0.25, 9.4.0.26 | — |
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