PT-2026-67272 · Freerdp · Freerdp
CVE-2026-67292
·
Published
2026-07-08
·
Updated
2026-08-03
CVSS v4.0
10
Critical
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Name of the Vulnerable Software and Affected Versions
FreeRDP versions prior to 3.29.0
Description
A buffer over-disclosure issue exists in the gateway WebSocket transport within the
libfreerdp/core/gateway/websocket.c file. The client uses a fixed 1024-byte response stream for Pong replies without restricting the length to the actual received Ping payload. A malicious gateway or WebSocket peer can send a non-empty Ping control frame, causing the client to send an overlong Pong response that discloses memory bytes beyond the payload, including the masking key. Additionally, sending a zero-length Ping triggers an assertion that terminates the client, resulting in a denial of service.Recommendations
Update to version 3.29.0 or later.
Exploit
Fix
DoS
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Weakness Enumeration
Related Identifiers
Affected Products
Freerdp