CVE-2026-10858

EUVD-2026-83034
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer underflow when processing multi-segment messages.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
9.9 CRITICAL
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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.
VendorProductVersionSource
ibmmq_for_hpe_nonstop
8.1.0 ≤
𝑥
≤ 8.1.0.40
CNA
Common Weakness Enumeration
References
https://www.ibm.com/support/pages/node/7287704