CVE-2026-7070-RDP-Clipboard-Hijacking-via-Virtual-Channel-Injection

CVE-2026-7070 – RDP-Zwischenablage-Entführung durch Virtual-Channel-Injection Programmcode Python – simulierte RDP-Zwischenablage root@kitploit: rdpserversim.py - Simulated RDP server with trusted virtual channel from http.server import HTTPServer, BaseHTTPRequestHandler import json, threading...

CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

CVE-2026-76840 RustDesk through 1.4.9 Heap Buffer Overflow via Unvalidated CLIPRDR FileContentsResponse Length

RustDesk's Windows clipboard redirection copies a peer-supplied length into a fixed-size caller buffer without an upper bound check. When an OLE paste consumer such as explorer.exe calls IStream::Read with a buffer of cb bytes, CliprdrStreamRead in libs/clipboard/src/windows/wfcliprdr.c requests...

EUVD-2026-51989

FreeRDP before 3.30.0 = 3.29.0 contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStreamRead function client/Windows/wfcliprdr.c. When an OLE paste consumer e.g. explorer.exe calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStreamRead requests file...

CVE-2026-68579 FreeRDP before 3.30.0 Heap Overflow via CliprdrStream_Read

FreeRDP before 3.30.0 = 3.29.0 contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStreamRead function client/Windows/wfcliprdr.c. When an OLE paste consumer e.g. explorer.exe calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStreamRead requests file...

CVE-2026-68579 FreeRDP before 3.30.0 Heap Overflow via CliprdrStream_Read

FreeRDP before 3.30.0 = 3.29.0 contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStreamRead function client/Windows/wfcliprdr.c. When an OLE paste consumer e.g. explorer.exe calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStreamRead requests file...

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...

Vulnerability of the cliprdr_server_receive_pdu() function in the RDP client FreeRDP, allowing a hacker to execute arbitrary code and cause a service failure

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

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 critical CVE-2026-44420 GHSA-mpxh-8fq3-x8mh GHSA-mvpx-xj7r-3p3r GHSA-p6r2-4hgm-m6ff Severity Claude critical · Security research firm critical revised; sealed as high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosur...

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...