An integer overflow (CWE-190) led to an out-of-bounds write (CWE-787) on a heap-allocated area, leading to heap corruption in Micro Focus VisiBroker 8.5. The feasibility of leveraging this vulnerability for further attacks was not assessed.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)