CVE-2026-121388

CVE-2026-121388CVE-2026-121388

freerdp / freerdp

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.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Last modified2026-11-03
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.