CVE-2026-121407
MEDIUM
freerdp
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Nov 03, 2026
Vendor
freerdp
Description
FreeRDP before 3.32.2 contains a denial of service vulnerability in the shadow server's remdesk_server_thread that allows authenticated clients to crash the process via an inverted PDU length check. Attackers can send an 8192-byte remdesk payload declaring an eight-byte PDU length to trigger a fatal Stream_Seek assertion, aborting the server and dropping sessions.