Amazon Linux 2 : freerdp, --advisory ALAS2-2026-3356 (ALAS-2026-3356)

The version of freerdp installed on the remote host is prior to 2.11.7-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3356 advisory. FreeRDP before 3.26.0 contains a heap-buffer-overflow vulnerability in gdiCacheToSurface that allows remote attackers to...

DEBIAN-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...

UBUNTU-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...

CVE-2026-44420

CVE-2026-44420 affects FreeRDP before version 3.26.0. A malicious RDP client can trigger a heap-buffer-overflow write in the server-side clipboard (cliprdr) channel by sending a CB_CLIP_CAPS PDU with a too-small capabilitySetLength, which can crash the server (remote DoS) and may be exploitable f...

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...

CVE-2026-44420 FreeRDP cliprdr server heap-buffer-overflow via undersized capabilitySetLength in CB_CLIP_CAPS

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...

SUSE-SU-2026:1633-1 Security update for freerdp

This update for freerdp fixes the following issues: - CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted WIRETOSURFACE2 PDU bsc1258919. - CVE-2026-25942: Global-buffer-overflow in xfrailserverexecuteresult bsc1258920. - CVE-2026-25952: Heap-use-after-free in...

ANT-2026-H97FY6C8 · freerdp · Heap-buffer-overflow

heap-buffer-overflow high GHSA-mpxh-8fq3-x8mh GHSA-mvpx-xj7r-3p3r GHSA-p6r2-4hgm-m6ff Severity Claude critical · Security research firm high · Maintainer unknown Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trai...

Linux Distros Unpatched Vulnerability : CVE-2026-25959

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 version 3.23.0, xfcliprdrprovidedata passes freed pDstData to XChangeProperty because...

UBUNTU-CVE-2026-25959

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, xfcliprdrprovidedata passes freed pDstData to XChangeProperty because the cliprdr channel thread calls xfcliprdrserverformatdataresponse which converts and uses the clipboard data without holding any lock,...

CVE-2026-25959

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, xfcliprdrprovidedata passes freed pDstData to XChangeProperty because the cliprdr channel thread calls xfcliprdrserverformatdataresponse which converts and uses the clipboard data without holding any lock,...

CVE-2026-25997 FreeRDP has heap-use-after-free in xf_clipboard_format_equal

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, xfclipboardformatequal reads freed lastSentFormats memory because xfclipboardformatsfree called from the cliprdr channel thread during auto-reconnect frees the array while the X11 event thread concurrently...

CVE-2026-25959 FreeRDP has heap-use-after-free in xf_cliprdr_provide_data_

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, xfcliprdrprovidedata passes freed pDstData to XChangeProperty because the cliprdr channel thread calls xfcliprdrserverformatdataresponse which converts and uses the clipboard data without holding any lock,...

CVE-2026-25959 FreeRDP has heap-use-after-free in xf_cliprdr_provide_data_

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, xfcliprdrprovidedata passes freed pDstData to XChangeProperty because the cliprdr channel thread calls xfcliprdrserverformatdataresponse which converts and uses the clipboard data without holding any lock,...

FreeRDP 安全漏洞

FreeRDP is an open-source RDP protocol implementation developed by the FreeRDP team. Versions of FreeRDP prior to 3.23.0 contained security vulnerabilities. These vulnerabilities stemmed from xfcliprdrprovidedata passing released pDstData to XChangeProperty, which could lead to reuse of a heap...

CVE-2021-37595

In FreeRDP before 2.4.0 on Windows, wfcliprdrserverfilecontentsrequest in client/Windows/wfcliprdr.c has missing input checks for a FILECONTENTSRANGE File Contents Request PDU...

freerdp: out-of-bounds read in cliprdr_read_format_list function

In FreeRDP before 2.1.0, there is an out-of-bounds read in cliprdrreadformatlist. Clipboard format data read by client or server might read data out-of-bounds. This has been fixed in 2.1.0...

freerdp: Out of bound read in cliprdr_server_receive_capabilities

In FreeRDP less than or equal to 2.0.0, a possible resource exhaustion vulnerability can be performed. Malicious clients could trigger out of bound reads causing memory allocation with random size. This has been fixed in 2.1.0...

freerdp: out-of-bounds read in cliprdr_read_format_list function

In FreeRDP before 2.1.0, there is an out-of-bounds read in cliprdrreadformatlist. Clipboard format data read by client or server might read data out-of-bounds. This has been fixed in 2.1.0...

freerdp: Out of bound read in cliprdr_server_receive_capabilities

In FreeRDP less than or equal to 2.0.0, a possible resource exhaustion vulnerability can be performed. Malicious clients could trigger out of bound reads causing memory allocation with random size. This has been fixed in 2.1.0...