CVE-2026-121407

CVE-2026-121407CVE-2026-121407

freerdp / 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.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/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.