📦 Freerdp

by Freerdp

🔍 What is Freerdp?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2026-25997

CRITICAL CVSS 9.8 Feb 25, 2026

This CVE describes a use-after-free vulnerability in FreeRDP's clipboard handling for X11 clients. When FreeRDP automatically reconnects, one thread frees clipboard format memory while another thread ...

CVE-2026-25953

CRITICAL CVSS 9.8 Feb 25, 2026

This is a use-after-free vulnerability in FreeRDP's X11 client implementation where the RDPGFX DVC thread can access a freed window pointer while the main thread concurrently deletes the window. This ...

CVE-2026-25955

CRITICAL CVSS 9.8 Feb 25, 2026

This is a use-after-free vulnerability in FreeRDP's X11 client where a cached XImage continues to reference freed memory. Attackers could potentially execute arbitrary code or cause denial of service....

CVE-2026-23883

CRITICAL CVSS 9.8 Jan 19, 2026

This is a use-after-free vulnerability in FreeRDP's X11 client graphics handling that allows a malicious RDP server to trigger heap corruption in the client. Attackers could cause denial of service (c...

CVE-2026-23884

CRITICAL CVSS 9.8 Jan 19, 2026

CVE-2026-23884 is a use-after-free vulnerability in FreeRDP clients where offscreen bitmap deletion leaves a pointer to freed memory. A malicious RDP server can exploit this to cause client crashes (D...

CVE-2026-23533

CRITICAL CVSS 9.8 Jan 19, 2026

A heap buffer overflow vulnerability in FreeRDP's ClearCodec decode path allows malicious RDP servers to trigger client-side memory corruption. This can cause denial of service (crash) and potentially...

CVE-2026-23534

CRITICAL CVSS 9.8 Jan 19, 2026

A heap buffer overflow vulnerability in FreeRDP's ClearCodec decode path allows malicious RDP servers to trigger client-side memory corruption. This affects FreeRDP clients connecting to untrusted ser...

CVE-2026-23532

CRITICAL CVSS 9.8 Jan 19, 2026

A heap buffer overflow vulnerability in FreeRDP client allows malicious RDP servers to trigger client-side memory corruption. This can cause denial of service (crash) and potentially remote code execu...

CVE-2026-23530

CRITICAL CVSS 9.8 Jan 19, 2026

FreeRDP clients prior to version 3.21.0 contain a heap buffer overflow vulnerability in the planar bitmap decompression function. A malicious RDP server can exploit this to crash the client (DoS) or p...

CVE-2026-23531

CRITICAL CVSS 9.8 Jan 19, 2026

This CVE describes a heap buffer overflow vulnerability in FreeRDP's ClearCodec implementation. A malicious RDP server can send crafted RDPGFX surface updates to trigger out-of-bounds read/write opera...

CVE-2026-22855

CRITICAL CVSS 9.1 Jan 14, 2026

A heap out-of-bounds read vulnerability in FreeRDP's smartcard SetAttrib path allows attackers to read memory beyond allocated buffers. This affects FreeRDP clients and servers using smartcard authent...

CVE-2026-22857

CRITICAL CVSS 9.8 Jan 14, 2026

This is a critical heap use-after-free vulnerability in FreeRDP that allows remote code execution. Attackers can exploit this to execute arbitrary code on vulnerable FreeRDP clients or servers. All sy...

CVE-2026-22859

CRITICAL CVSS 9.1 Jan 14, 2026

This vulnerability in FreeRDP allows remote attackers to cause an out-of-bounds read by sending specially crafted MSUSB_INTERFACE_DESCRIPTOR values. This could lead to information disclosure or potent...

CVE-2026-22858

CRITICAL CVSS 9.1 Jan 14, 2026

This CVE describes a global buffer overflow vulnerability in FreeRDP's Base64 decoding implementation. On Arm/AArch64 architectures, signedness issues allow non-ASCII bytes to bypass range checks, lea...

CVE-2026-22852

CRITICAL CVSS 9.8 Jan 14, 2026

A heap buffer overflow vulnerability in FreeRDP allows malicious RDP servers to trigger memory corruption and crash FreeRDP clients. This affects all FreeRDP clients connecting to untrusted RDP server...

CVE-2026-22853

CRITICAL CVSS 9.8 Jan 14, 2026

CVE-2026-22853 is a critical heap buffer overflow vulnerability in FreeRDP's RDPEAR component that allows attackers to execute arbitrary code or cause denial of service. The vulnerability affects Free...

CVE-2026-22854

CRITICAL CVSS 9.8 Jan 14, 2026

This is a critical heap buffer overflow vulnerability in FreeRDP that allows a malicious RDP server to execute arbitrary code on client systems by sending oversized file read requests. It affects all ...

CVE-2025-68118

CRITICAL CVSS 9.1 Dec 17, 2025

This vulnerability in FreeRDP allows attackers to cause heap-based out-of-bounds memory reads by controlling hostnames in certificate cache filenames. It affects FreeRDP clients on Windows platforms u...

CVE-2024-32659

CRITICAL CVSS 9.8 Apr 23, 2024

FreeRDP clients prior to version 3.5.1 contain an out-of-bounds read vulnerability when processing remote desktop connections with zero width and height parameters. This could allow attackers to read ...

CVE-2024-32658

CRITICAL CVSS 9.8 Apr 23, 2024

CVE-2024-32658 is an out-of-bounds read vulnerability in FreeRDP clients prior to version 3.5.1. This vulnerability could allow attackers to read sensitive memory contents, potentially leading to info...

CVE-2026-26986

HIGH CVSS 7.5 Feb 25, 2026

This is a use-after-free vulnerability in FreeRDP's X11 client implementation where a freed pointer is dereferenced during cleanup. An attacker could potentially exploit this to cause denial of servic...

CVE-2026-26955

HIGH CVSS 8.8 Feb 25, 2026

A heap buffer overflow vulnerability in FreeRDP clients allows a malicious RDP server to execute arbitrary code on connecting clients. Attackers controlling an RDP server can exploit this to gain full...

CVE-2026-25942

HIGH CVSS 7.5 Feb 25, 2026

This vulnerability in FreeRDP allows a malicious RDP server to trigger an out-of-bounds read by sending an execResult value of 7 or greater. This could potentially leak memory contents or cause crashe...

CVE-2026-23732

HIGH CVSS 7.5 Jan 19, 2026

FreeRDP clients prior to version 3.21.0 contain a buffer overflow vulnerability in FastGlyph parsing. A malicious RDP server can exploit this to cause a denial-of-service (client crash) by sending spe...

CVE-2026-22856

HIGH CVSS 8.1 Jan 14, 2026

This CVE describes a race condition vulnerability in FreeRDP's serial channel IRP thread tracking that allows heap use-after-free. Attackers could exploit this to potentially execute arbitrary code or...

CVE-2024-32661

HIGH CVSS 7.5 Apr 23, 2024

FreeRDP clients prior to version 3.5.1 contain a NULL pointer dereference vulnerability that can cause crashes when processing certain RDP traffic. This affects all users of vulnerable FreeRDP-based c...

CVE-2023-40187

HIGH CVSS 7.3 Aug 31, 2023

This CVE describes a use-after-free vulnerability in FreeRDP's H.264 video codec implementation that could allow remote code execution or denial of service. It affects users running FreeRDP 3.x beta v...

CVE-2023-39355

HIGH CVSS 7.0 Aug 31, 2023

This CVE describes a use-after-free vulnerability in FreeRDP's processing of RDPGFX_CMDID_RESETGRAPHICS packets. When context->maxPlaneSize is 0, the planesBuffer is freed but the pointer isn't update...

CVE-2026-27951

MEDIUM CVSS 5.3 Feb 25, 2026

This vulnerability in FreeRDP's Stream_EnsureCapacity function can cause an endless blocking loop, potentially leading to denial of service. It affects all FreeRDP client and server implementations on...

CVE-2026-27015

MEDIUM CVSS 6.5 Feb 25, 2026

A missing bounds check in FreeRDP's smartcard handling allows a malicious RDP server to crash the FreeRDP client via an assertion failure. This affects FreeRDP users who explicitly enable smartcard re...

CVE-2026-25941

MEDIUM CVSS 4.3 Feb 25, 2026

FreeRDP clients have an out-of-bounds read vulnerability in the RDPGFX channel that allows malicious RDP servers to read uninitialized heap memory. This can lead to information disclosure or client cr...

CVE-2026-22851

MEDIUM CVSS 5.9 Jan 14, 2026

This CVE describes a heap use-after-free vulnerability in FreeRDP, a free Remote Desktop Protocol implementation, caused by a race condition between threads. It could allow an attacker to crash the ap...