CVE-2026-55238 xrdp: Malformed Confirm Active capability sets cause out-of-bounds reads

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the processing of RDP Confirm Active PDU, where during the capability negotiation phase, the parser did not perform sufficient length validation for specific capability sets. A remote, unauthenticated...

CVE-2026-42218

CVE-2026-42218 affects xrdp, an open source RDP server. The issue is a timing side‑channel in the login interface of versions 0.10.6 and earlier that allows remote observers to infer whether a username exists, enabling information disclosure via username enumeration. The vulnerability is explicit...

CVE-2026-64620

FreeRDP before 3.28.0 affected outlength, so out-of-bounds bytes are written before the bounds check. On the server side, when a client selects RDP Standard Security, the encrypted client random is decrypted into a fixed 32-byte buffer. Because the server publishes its RSA public key, an...

CVE-2026-64621

FreeRDP before 3.28.0 affected 3.x through 3.27.1 contains a double-free vulnerability in freerdpclientrdpfileapplytosettings client/common/file.c when parsing the selectedmonitors field of a .rdp connection file. The MonitorIds array is allocated through the settings object, and a raw non-owning...

CVE-2026-64621

FreeRDP before 3.28.0 (affected 3.x through 3.27.1) contains a size-controlled double-free in freerdp_client_rdp_file_apply_to_settings() when parsing the selectedmonitors field in an .rdp file. The MonitorIds array is allocated via the settings object and a raw pointer is freed on the strtoul er...

CVE-2026-64620

FreeRDP before 3.28.0 (affected out_length, enabling out-of-bounds writes prior to the bounds check. On the server side, when a client uses RDP Standard Security, the encrypted client random is decrypted into a fixed 32‑byte buffer. Because the server publishes its RSA public key, an unauthentic...

PT-2026-61581

FreeRDP before 3.28.0 affected 3.x through 3.27.1 contains a double-free vulnerability in freerdp client rdp file apply to settings client/common/file.c when parsing the selectedmonitors field of a .rdp connection file. The MonitorIds array is allocated through the settings object, and a raw...

EUVD-2026-45345

Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network...

CVE-2026-56171

Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network...

CVE-2026-56171 Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

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CVE-2026-56171

Technical details are not publicly available in the provided documents. Monitor for updates on CVE-2026-56171 for affected products, impacted components, and remediation guidance.

CVE-2026-51082

A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) affects multiple components/versions: pve-manager (9.x before 9.1.9 and 8.x before 8.4.19), qemu-server (9.x before 9.1.7 and 8.x before 8.4.7), and pve-container (6.1.x before 6.1.3 and 5.3.x be...

PT-2026-60883

Name of the Vulnerable Software and Affected Versions Microsoft Windows RDP affected versions not specified Microsoft Server Remote Desktop Web Client affected versions not specified Description An issue in Windows RDP and the Server Remote Desktop Web Client allows an unauthorized actor to...

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network...

[SECURITY] Fedora 43 Update: xrdp-0.10.6.1-1.fc43

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

[SECURITY] Fedora 44 Update: freerdp-3.28.0-1.fc44

The xfreerdp & wlfreerdp Remote Desktop Protocol RDP clients from the FreeR DP project. xfreerdp & wlfreerdp can connect to RDP servers such as Microsoft Windows machines, xrdp and VirtualBox...

CVE-2026-58626

Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network...

CVE-2026-58594

Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network...

CVE-2026-58546

Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network...

CVE-2026-58539

Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network...