A xrdp security update has been released for Debian GNU/Linux 10 LTS to address several out-of-bounds memory accesses.

DLA 3370-1: xrdp security update

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Debian LTS Advisory DLA-3370-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Dominik George
March 28, 2023   https://wiki.debian.org/LTS
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Package : xrdp
Version : 0.9.9-1+deb10u2
CVE ID : CVE-2022-23468 CVE-2022-23478 CVE-2022-23479 CVE-2022-23483
CVE-2022-23484 CVE-2022-23493
Debian Bug :

Several out of bounds memory access and buffer overflows were fixed in xrdp,
an open source project which provides a graphical login to remote machines
using Microsoft Remote Desktop Protocol (RDP)

CVE-2022-23468

xrdp < v0.9.21 contain a buffer over flow in xrdp_login_wnd_create() function.
There are no known workarounds for this issue.

CVE-2022-23478

xrdp < v0.9.21 contain a Out of Bound Write in
xrdp_mm_trans_process_drdynvc_channel_open() function. There are no known
workarounds for this issue.

CVE-2022-23479

xrdp < v0.9.21 contain a buffer over flow in xrdp_mm_chan_data_in() function.
There are no known workarounds for this issue.

CVE-2022-23483

xrdp < v0.9.21 contain a Out of Bound Read in libxrdp_send_to_channel() function.
There are no known workarounds for this issue.

CVE-2022-23484

xrdp < v0.9.21 contain a Integer Overflow in xrdp_mm_process_rail_update_window_text()
function. There are no known workarounds for this issue.

CVE-2022-23493

xrdp < v0.9.21 contain a Out of Bound Read in xrdp_mm_trans_process_drdynvc_channel_close()
function. There are no known workarounds for this issue.

For Debian 10 buster, these problems have been fixed in version
0.9.9-1+deb10u2.

We recommend that you upgrade your xrdp packages.

For the detailed security status of xrdp please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/xrdp

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS