FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message

A flaw was found in FreeRDP. A malicious or compromised Remote Desktop Protocol RDP server can exploit a heap use-after-free vulnerability when a client connects with asynchronous updates enabled. By sending a specially crafted Window Alternate Secondary Order message, the server can trigger memo...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

ROS-20260824-73-0010

The vulnerability of the rpcclientrecvfragment function in the libfreerdp/core/gateway/rpcclient.c file of the RDP client FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability can allow an attacker to cause service failures and execute arbitrary code...

FreeRDP RDP Server DoS

The vulnerability of the rdpsndserverrecvformats function in the channels/rdpsnd/server/rdpsndmain.c file of the RDP client FreeRDP is related to a memory reclamation error. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-63652

A flaw was found in FreeRDP. An authenticated Remote Desktop Protocol RDP client can send a specially crafted Client Audio Formats Protocol Data Unit PDU to the server. This malformed PDU can cause a double-free vulnerability in the rdpsndserverrecvformats function, leading to the server reliably...

UBUNTU-CVE-2026-69159

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior...

Linux Distros Unpatched Vulnerability : CVE-2026-63117

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, an authenticated RDP client can advertise DVI ADPCM with nBlockAlign equal to ...

CVE-2026-63633

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, freerdpdspdecodeopus in libfreerdp/codec/dsp.c calls StreamEnsureRemainingCapacity on context-common.buffer even though opusdecode writes decoded PCM into the caller-supplied out stream. A malicious RDP server that...

CVE-2026-55564

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, the glyphcacheget function in libfreerdp/cache/glyph.c checks whether index is greater than cache-number instead of greater than or equal to it. A malicious RDP server can use GLYPHFRAGMENTUSE replay in...

CVE-2026-69159 FreeRDP: Out-of-Bounds Read in Planar RLE Decoder (planar_decompress_plane_rle / planar_decompress_plane_rle_only)

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.29.0, planardecompressplanerle and planardecompressplanerleonly in libfreerdp/codec/planar.c verify that a control byte exists but do not verify that the source buffer contains the zero to fifteen raw bytes declared by th...

CVE-2026-63633 FreeRDP: Heap buffer overflow in Opus audio decode (`freerdp_dsp_decode_opus` resizes the wrong stream) — server→client

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, freerdpdspdecodeopus in libfreerdp/codec/dsp.c calls StreamEnsureRemainingCapacity on context-common.buffer even though opusdecode writes decoded PCM into the caller-supplied out stream. A malicious RDP server that...

CVE-2026-55192

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP H.264 decoder backends can return YUV planes sized from the bitstream without comparing the decoded width and height to the RDPGFX surface dimensions used to validate region rectangles. A malicious RDP serve...

CVE-2026-55564 FreeRDP: Out-of-bounds read in glyph_cache_get via crafted glyph fragments

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, the glyphcacheget function in libfreerdp/cache/glyph.c checks whether index is greater than cache-number instead of greater than or equal to it. A malicious RDP server can use GLYPHFRAGMENTUSE replay in...

CVE-2026-63117: Divide By Zero

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, an authenticated RDP client can advertise DVI ADPCM with nBlockAlign equal to 8 and nChannels equal to 2 to make the bs calculation in rdpsndserverselectformat in channels/rdpsnd/server/rdpsndmain.c equal zero. The...

CVE-2026-63652: Double Free

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, rdpsndserverrecvformats in channels/rdpsnd/server/rdpsndmain.c frees context-clientformats on a malformed Client Audio Formats PDU without clearing the owning pointer or numclientformats. An authenticated RDP client...

FreeRDP rail_server_handle_messages RCE

The vulnerability of the railserverhandlemessages function in the channels/rail/server/railmain.c file of the RDP client FreeRDP is related to a potential integer overflow. Exploiting this vulnerability could allow an attacker to cause a service failure...

[SECURITY] Fedora 44 Update: xrdp-0.10.6.1-1.fc44

xrdp provides a fully functional RDP server compatible with a wide range of RDP clients, including FreeRDP and Microsoft RDP client...

ROS-20260615-73-0011

The vulnerability of the planardecompressplanerle function in the FreeRDP RDP client is related to data writing beyond the specified buffer. Exploiting this vulnerability could allow a malicious actor to compromise the confidentiality, integrity, and accessibility of the protected information...

ROS-20260615-73-0016

The vulnerability of the gdiSurfaceCommandClearCodec function in the RDP client FreeRDP is caused by a buffer overflow. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...