CVE-2021-26377 – Citrix XenServer Integer Overflow Denial of Service

CVE ID : CVE-2021-26377

Published : Sept. 6, 2025, 4:15 p.m. | 1 hour, 6 minutes ago

Description : Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.

Severity: 4.1 | MEDIUM

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