CVE-2026-55626

xrdp is an open source RDP server. In versions 0.10.6 and prior, when an authenticated user session is initialized using the Xvnc backend over UNIX domain sockets, the Xvnc process is launched with insufficient authentication mechanisms. A local authenticated attacker could exploit this...

CVE-2026-55626

CVE-2026-55626 affects xrdp when using the Xvnc backend over UNIX domain sockets. According to the sources, in versions up to 0.10.6, an authenticated local user session can cause the Xvnc process to launch with insufficient authentication, allowing the attacker to bypass session isolation and vi...

CVE-2026-44978 xrdp: Unchecked FIPS padding length in standard RDP Security causes heap out-of-bounds read in HMAC verification

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap out-of-bounds read vulnerability within the FIPS-specific receive paths. This vulnerability does not affect the default configuration of xrdp. The vulnerability is only exploitable when the security layer is set to...

CVE-2026-44978 xrdp: Unchecked FIPS padding length in standard RDP Security causes heap out-of-bounds read in HMAC verification

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap out-of-bounds read vulnerability within the FIPS-specific receive paths. This vulnerability does not affect the default configuration of xrdp. The vulnerability is only exploitable when the security layer is set to...

CVE-2026-55645

CVE-2026-55645 affects xrdp (open source RDP server). The vulnerability is an out-of-bounds read in the processing of Client Control PDUs during the RDP connection sequence, caused by insufficient length validation in the parser before reading data from the network stream. This can allow a remote...

CVE-2026-55645 xrdp: Out-of-bounds read in Client Control PDU processing (xrdp_rdp_process_data_control)

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the processing of Client Control PDUs. During the RDP connection sequence, the parser does not perform sufficient length validation before reading specific data fields from the network stream. A remote...

Astra Linux – Vulnerability in xrdp

XRDPT is an open-source remote desktop protocol RDP server. In affected versions, an integer underflow leading to a heap overflow in the SESMAN server allows any unauthenticated attacker who can access the SESMAN server locally to execute code as root. This vulnerability has been patched in versi...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp v0.9.21 contains an out-of-bound read vulnerability in the xrdpcapsprocessconfirm-active function. There are no known workarounds for this issue. Users are advis...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain an integer overflow in the xrdpmmprocessrailupdatewindowtext function. There are no known solutions to this issue. Users are...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a buffer overflow in the devredirprocclientdevlistannouncereq function. There are no known workarounds for this issue. Users are...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp v0.9.21 contains a “Out of Bound Read” issue in the xrdpmmtransprocessdrdynvcchannelclose function. There are no known solutions to this problem. Users are advis...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a vulnerability in the xrdpsecprocessmcsdataCSCORE function. There are no known workarounds for this issue. Users are advised to...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a bug in the xrdpmmtransprocessdrdynvcchannelopen function. There are no known solutions to this issue. Users are advised to...

Astra Linux – Vulnerability in xrdp

XRDPT is an open-source remote desktop protocol RDP server. In versions prior to 0.9.23, improper handling of session establishment errors allowed bypassing OS-level session restrictions. The authstartsession function could return a non-zero value 1 in the event of, for example, PAM errors. This...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a buffer overflow in the xrdpmmchandatain function. There are no known workarounds for this issue. Users are advised to upgrade...

Astra Linux – Vulnerability in xrdp

XRDPTRP is an open-source remote desktop protocol server. Access to the font glyphs in xrdppainter.c is not bounded. Since some of this data is controllable by the user, this can lead to an out-of-bounds read within the xrdp executable. The vulnerability allows for an out-of-bounds read within a...

SUSE CVE-2026-33689

xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can trigger this flaw by sending a specially crafted sequence of packets during the initial connection phase...

CVE-2026-33516

A flaw was found in xrdp, an open-source Remote Desktop Protocol RDP server. A remote, unauthenticated attacker can exploit an out-of-bounds read vulnerability by sending a specially crafted Confirm Active PDU during the RDP capability exchange. This issue occurs when memory is accessed without...

Linux Distros Unpatched Vulnerability : CVE-2026-33145

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xrdp is an open source RDP server. Versions through 0.10.5 allow an authenticated remote user to execute arbitrary commands on the server due to unsafe handling...

Linux Distros Unpatched Vulnerability : CVE-2026-33689

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remot...