CVE-2026-121959

MediumCVSS 6.5/10Last modified Nov 5, 2026

Description

FreeRDP before 3.32.2 contains an infinite loop vulnerability in websocket_context_read that fails to handle a zero BIO result with payload outstanding. A malicious RD Gateway can send a truncated WebSocket frame followed by a TLS close_notify, causing a client thread to spin and consume CPU until killed.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-835

Affected software

No affected versions have been published.

Timeline

Published: Nov 4, 2026
Last modified: Nov 5, 2026
NVD status: Analyzed

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