🛡️ CVE-2026-67292

🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-130 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

FreeRDP before 3.29.0 contains a buffer over-disclosure vulnerability in the gateway WebSocket transport (libfreerdp/core/gateway/websocket.c). The client's Pong reply reuses a fixed 1024-byte response stream whose length is not sealed to the actual received Ping payload, so a malicious gateway/WebSocket peer sending a non-empty Ping control frame causes the client to reply with an overlong Pong that discloses bytes beyond the received payload (the peer receives the masking key and can unmask the reply). A zero-length Ping reaches an assertion and terminates the client (denial of service).

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability low.

Affected software

CVE-2026-67292 is recorded against 1 package.

  • unknown

Timeline and source

Published on 1 August 2026 and last revised on 3 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com
www.vulncheck.com
github.com

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CWE CWE-130
Public Exploit ✅ No
Source NVD
Published 2026-08-01
Updated 2026-08-11
Modified 2026-08-03
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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