Medium severity6.5NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026
CVE-2026-121388
CVE-2026-121388
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.
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Affected products
1Patches
Vulnerability mechanics
References
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