CVE
CVE-2026-22855
RHSA-2026:3334: freerdp security update (Important)
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)
- 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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
5.6
-
4.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
-
C
H
U
-
Related Resources
No items found.
References
https://access.redhat.com/errata/RHSA-2026:3334, https://access.redhat.com/security/cve/CVE-2026-22855, https://access.redhat.com/security/cve/CVE-2026-22858, https://access.redhat.com/security/cve/CVE-2026-22859
Basic Information
Ecosystem
