CVE-2026-121959
FreeRDP before 3.32.2 contains an infinite loop vulnerability in websocket_context_read that fails…
- Risk score
- 44/100
- CVSS
- 6.5 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 4 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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.
- Affected
- See advisory
- Fix
- Upgrade the product to 3.32.2 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.5 medium
References
Original 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.
Last activity 4 Nov 2026. Patch Forecast updates every hour.