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...

The vulnerability of the `rail_server_handle_messages()` function in the `channels/rail/server/rail_main.c` file of the RDP client FreeRDP, which allows a intruder to trigger a service failure.

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-20260615-73-0026

The vulnerabilities of the functions xfSetWindowMinMaxInfo and xfrailgetwindow in the RDP client FreeRDP are related to the use of memory after it is freed. Exploiting these vulnerabilities can allow a remote attacker to compromise the confidentiality, integrity, and accessibility of the protecte...

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-20260615-73-0038

The vulnerability of the progressivedecompresstileupgrade function in the RDP client FreeRDP is related to integer overflow. Exploiting this vulnerability could allow a malicious actor to cause service failure...

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...

ROS-20260611-73-0002

The vulnerability of the URBDRC RDP-client-freeRDP device lies in unvalidated array indexing. Exploiting this vulnerability could allow an attacker to execute arbitrary code or cause service failures...

ROS-20260611-73-0012

The vulnerability of the cleardecompressresidualdata function in the RDP client FreeRDP is related to buffer overflows in dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code and cause service failures...

ROS-20260611-73-0005

The vulnerability of the planardecompressplanerle function in the FreeRDP RDP client is related to buffer overflow in the dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code and cause service failure...

UBUNTU-CVE-2026-44421

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs. The bug is in gdiCacheToSurface: it validates a destination rectangle that is clamped to UINT16MA...

CVE-2026-44420

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP client can trigger a heap-buffer-overflow write in FreeRDP's server-side clipboard cliprdr channel by sending a CBCLIPCAPS PDU with a too-small capabilitySetLength. This can crash the server process...

RHEL 10 : freerdp (RHSA-2026:19033)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:19033 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to...

RHEL 8 : freerdp (RHSA-2026:16814)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:16814 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to...

freerdp: FreeRDP heap-buffer-overflow

A heap based buffer overflow has been discovered in FreeRDP. Prior to 3.20.1, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client when processing Audio Input AUDIN format lists. audinprocessformats reuses callback-formatscount across multiple MSGSNDINFORMATS PDUs...

RHEL 8 : freerdp (RHSA-2026:10951)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:10951 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to...