CVE-2026-11376

EUVD-2026-117075
IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow when processing subscription requests with crafted buffer size values.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
ibmmq
9.2.0.0 ≤
𝑥
≤ 9.2.0.44
CNA
ibmmq
9.3.0.0 ≤
𝑥
≤ 9.3.0.42
CNA
ibmmq
9.4.0.0 ≤
𝑥
≤ 9.4.0.26
CNA
ibmmq
9.4.0.0 ≤
𝑥
≤ 9.4.5.1
CNA
ibmmq
10.0.0.0 ≤
𝑥
≤ 10.0.0.5
CNA