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CVE-2026-121388

MEDIUM CVSS: 6.5 Published: 2026-11-03 Modified: 2026-11-03

Description

FreeRDP from 3.0.0 before 3.32.2 contains an uncontrolled resource allocation vulnerability that allows malicious RDP servers to force large client allocations through the DRDYNVC DATA_FIRST Length field. Attackers can declare lengths up to 4,294,967,295 bytes on running dynamic channels, causing StreamPool_Take to reserve memory before body validation and exhaust client memory.

Affected Platforms

Unknown

Weakness Type

CWE-770

References