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Fedora 43: freerdp Critical Heap Buffer Overflow Advisory 2026-79f923d917

fedora
Calendar Grey January 16, 2026
Scroller Fedora
Freerdp update for Fedora 43 addresses critical heap overflow issues with improved security measures.
Update to 3.20.2

Summary

The xfreerdp & wlfreerdp Remote Desktop Protocol (RDP) clients from the FreeRDP

project.

xfreerdp & wlfreerdp can connect to RDP servers such as Microsoft Windows

machines, xrdp and VirtualBox.

Update Information:

Update to 3.20.2

Topics%20covered

Topics Covered

security advisory fedora critical remote desktop heap buffer overflow freerdp

Change Log

* Wed Jan 14 2026 Ondrej Holy - 2:3.20.2-1 - Update to 3.20.2 * Wed Jan 14 2026 Ondrej Holy - 2:3.20.1-1 - Update to 3.20.1 Resolves: rhbz#2423151

References


[ 1 ] Bug #2429784 - CVE-2026-22857 freerdp: FreeRDP heap-use-after-free [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2429784 [ 2 ] Bug #2429789 - CVE-2026-22859 freerdp: FreeRDP heap-buffer-overflow [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2429789 [ 3 ] Bug #2429797 - CVE-2026-22852 freerdp: FreeRDP heap-buffer-overflow [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2429797 [ 4 ] Bug #2429803 - CVE-2026-22854 freerdp: FreeRDP heap-buffer-overflow [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2429803 [ 5 ] Bug #2429806 - CVE-2026-22855 freerdp: FreeRDP heap-buffer-overflow [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2429806 [ 6 ] Bug #2429812 - CVE-2026-22853 freerdp: FreeRDP heap-buffer-overflow [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2429812 [ 7 ] Bug #2429816 - CVE-2026-22858 freerdp: FreeRDP global-buffer-overflow [fedora-43] ...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-79f923d917' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
Lowest
Low
Medium
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Critical

Name: freerdp
Product: Fedora 43
Version: 3.20.2
Release: 1.fc43
URL: http://www.freerdp.com/
Summary: Free implementation of the Remote Desktop Protocol (RDP)

Topics%20covered

Topics Covered

security advisory fedora critical remote desktop heap buffer overflow freerdp

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