CVE-2026-121959

freerdp3: FreeRDP before 3.32.2 contains an infinite loop vulnerability in websocket_context_read that fails to handle a zero B...

CVE-2026-121959 is fixed in freerdp3 on 1 platform by DEBIAN-CVE-2026-121959 (version 3.32.2+dfsg-1), released November 5, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0031

24th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
freerdp3 · Debian 14	3.32.2+dfsg-1	DEBIAN-CVE-2026-121959	Nov 5, 2026

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