FreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the websocket transport that allows a malicious gateway to crash clients by sending zero-length pings. When the payload length is zero, websocket_reply_pong passes a nullptr stream to websocket_reply_close, triggering an assertion failure that terminates the client process and causes denial of service.

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Fri, 16 Oct 2026 01:45:00 +0000

Type Values Removed Values Added
Description FreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the websocket transport that allows a malicious gateway to crash clients by sending zero-length pings. When the payload length is zero, websocket_reply_pong passes a nullptr stream to websocket_reply_close, triggering an assertion failure that terminates the client process and causes denial of service.
Title FreeRDP before 3.32.0 NULL Dereference via Zero-Length WebSocket Ping
First Time appeared Freerdp
Freerdp freerdp
Weaknesses CWE-476
CPEs cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Vendors & Products Freerdp
Freerdp freerdp
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-16T01:17:40.463Z

Reserved: 2026-10-15T21:54:36.054Z

Link: CVE-2026-111373

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-16T03:18:04.063

Modified: 2026-10-16T03:18:04.063

Link: CVE-2026-111373

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses