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ALSA-2026:50747 — Important: freerdp security update

Affected: AlmaLinux:10: freerdp, AlmaLinux:10: freerdp-devel, AlmaLinux:10: freerdp-libs, AlmaLinux:10: freerdp-server, AlmaLinux:10: libwinpr, AlmaLinux:10: libwinpr-devel

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: Remote code execution via heap out-of-bounds write in RemoteFX decoding (CVE-2026-55827)

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.

EUVD-2026-337790

fkie_cve-2026-55827

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.1, FreeRDP clients launched with the non-default /cache:codec:rfx option pass desktop stride and height to RemoteFX decoding for Cache Bitmap V3 data while allocating bitmap->data only for the smaller DstWidth and DstHeight in gdi_Bitmap_Decompress, allowing a malicious RDP server to trigger a heap out-of-bounds write with attacker-controlled offset and content. This issue is fixed in version 3.27.1.

openSUSE-SU-2026:11065-1 — freerdp-3.27.1-1.1 on GA media

freerdp-3.27.1-1.1 on GA media

RHSA-2026:54667 — Red Hat Security Advisory: freerdp security update

FreeRDP: FreeRDP: Remote code execution via heap out-of-bounds write in RemoteFX decoding

RLSA-2026:50747 — Important: freerdp security update

Affected: Rocky Linux:10: freerdp

Security Fix(es):

* FreeRDP: FreeRDP: Remote code execution via heap out-of-bounds write in RemoteFX decoding (CVE-2026-55827)

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.

UBUNTU-CVE-2026-55827

Affected: Ubuntu:16.04:LTS: freerdp, Ubuntu:Pro:18.04:LTS: freerdp2, Ubuntu:18.04:LTS: freerdp, Ubuntu:Pro:20.04:LTS: freerdp2, Ubuntu:22.04:LTS: freerdp2, Ubuntu:24.04:LTS: freerdp3, Ubuntu:Pro:24.04:LTS: freerdp2, Ubuntu:25.10: freerdp3, Ubuntu:26.04:LTS: freerdp3

WID-SEC-W-2026-1963 — FreeRDP: Schwachstelle ermöglicht Codeausführung und Denial of Service

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in FreeRDP ausnutzen, um beliebigen Programmcode auszuführen, und um einen Denial of Service Angriff durchzuführen.