RHSA-2026:4437 — Security Advisory
Red Hat Security Advisory: freerdp security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · March 12, 2026
Updated · August 18, 2026
Topic
An update for freerdp is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.
Security Fix(es):
-
freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22855)
-
freerdp: FreeRDP global-buffer-overflow (CVE-2026-22858)
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freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22859)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.