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FreeRDP freerdpFreeRDP 3.27.0 before 3.32.2 Client DoS via RDPDR Device Announcement Logging

Risk 19
Severity
2.3
AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

FreeRDP from 3.27.0 before 3.32.2 contains a denial of service vulnerability in rdpdrdumppacket that allows malicious RDP servers to abort clients by sending malformed RDPDR device-list announcements. Attackers can declare a DeviceDataLength exceeding the received packet, triggering a fatal StreamSeek assertion when device redirection, TRACE logging, and WinPR assertions are enabled.

First published (updated )
CVE-2026-121389

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