[SECURITY] [DLA 4759-1] xrdp security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4759-1 [email protected] https://www.debian.org/lts/security/ Abhijith PA August 29, 2026 https://wiki.debian.org/LTS -...

Debian dla-4759 : xrdp - security update

The remote Debian 11 / 12 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-4759 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4759-1 [email protected]...

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 buffer overflow in the audinsendopen function. There are no known workarounds for this issue. Users are advised to upgrade...

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 “Out of Bound Read” vulnerability in the xrdpsecprocessmcsdataCSCORE function. There are no known workarounds for this issue...

Astra Linux – Vulnerability in xrdp

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

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

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...

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 “Out of Bound Read” issue in the libxrdpsendtochannel function. There are no known solutions to this problem. Users are advise...

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

xrdp is an open-source project that provides a graphical login interface for accessing remote machines using the Microsoft Remote Desktop Protocol RDP. Version 0.9.21 and earlier of xrdp contains a buffer overflow in the xrdploginwndcreate function. There are no known solutions to this issue. Use...

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...

Fedora 43 : xrdp (2026-952a486b39)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-952a486b39 advisory. Update PAM file to better match modern reality. Tenable has extracted the preceding description block directly from the Fedora security advisory. No...

Fedora 44 : xrdp (2026-9d3c766833)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-9d3c766833 advisory. Update PAM file to better match modern reality. Tenable has extracted the preceding description block directly from the Fedora security advisory. No...

SUSE CVE-2026-41252

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a missing bounds check in xrdp, which allows a heap-based buffer overflow when operating in vnc-any mode. The issue occurs during the handling of RFB protocol color map messages from a VNC server, where incoming color indices ar...

SUSE CVE-2026-41521

xrdp is an open source RDP server. Versions 0.10.6 and prior contain an integer overflow vulnerability when processing screen update messages within the vnc-any connection mode. A malicious remote VNC server can send crafted image dimensions that cause an integer overflow during memory buffer siz...

SUSE CVE-2026-42218

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized information disclosure...

SUSE CVE-2026-44178

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap-based buffer overflow vulnerability within the virtual channel forwarding mechanism. When forwarding data from a remote client to the internal channel server, the xrdp process utilizes a fixed-size buffer without adequate...

SUSE CVE-2026-44978

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...

SUSE CVE-2026-55238

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...