Security update for freerdp

Announcement ID: SUSE-SU-2026:0421-1
Release Date: 2026-02-10T15:28:57Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-22852 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-22852 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-22852 ( NVD ): 6.8 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/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
  • CVE-2026-22852 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-22854 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-22854 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-22854 ( NVD ): 6.8 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/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
  • CVE-2026-22854 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-22856 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-22856 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-22856 ( NVD ): 6.8 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/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
  • CVE-2026-22856 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-22859 ( SUSE ): 6.1 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
  • CVE-2026-22859 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
  • CVE-2026-22859 ( NVD ): 5.6 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
  • CVE-2026-22859 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  • CVE-2026-23530 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-23530 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-23530 ( NVD ): 7.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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
  • CVE-2026-23530 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-23531 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-23531 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-23531 ( NVD ): 7.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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
  • CVE-2026-23531 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-23532 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-23532 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-23532 ( NVD ): 7.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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
  • CVE-2026-23532 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-23534 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-23534 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-23534 ( NVD ): 7.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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
  • CVE-2026-23534 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • openSUSE Leap 15.4
  • SUSE Linux Enterprise Desktop 15 SP7
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7
  • SUSE Package Hub 15 15-SP7

An update that solves eight vulnerabilities can now be installed.

Description:

This update for freerdp fixes the following issues:

  • CVE-2026-22852: a malicious RDP server can trigger a heap-buffer-overflow in audin_process_formats (bsc#1256718).
  • CVE-2026-22854: server-controlled read length is used to read file data into an IRP output can cause heap-buffer-overflow in drive_process_irp_read (bsc#1256720).
  • CVE-2026-22856: race condition in the serial channel IRP thread tracking can cause heap-use-after-free in create_irp_thread(bsc#1256722).
  • CVE-2026-22859: improper bound check can lead to heap-buffer-overflow in urb_select_configuration (bsc#1256725).
  • CVE-2026-23530: improper validation can lead to heap buffer overflow in planar_decompress_plane_rle (bsc#1256940).
  • CVE-2026-23531: improper validation in clear_decompress can lead to heap buffer overflow (bsc#1256941).
  • CVE-2026-23532: mismatch between destination rectangle clamping and the actual copy size can lead to a heap buffer overflow in gdi_SurfaceToSurface (bsc#1256942).
  • CVE-2026-23534: missing checks can lead to heap buffer overflow in clear_decompress_bands_data (bsc#1256944).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Package Hub 15 15-SP7
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-421=1
  • openSUSE Leap 15.4
    zypper in -t patch SUSE-2026-421=1

Package List:

  • SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)
    • libwinpr2-2.4.0-150400.3.35.1
    • freerdp-debugsource-2.4.0-150400.3.35.1
    • libfreerdp2-2.4.0-150400.3.35.1
    • libfreerdp2-debuginfo-2.4.0-150400.3.35.1
    • libwinpr2-debuginfo-2.4.0-150400.3.35.1
    • freerdp-debuginfo-2.4.0-150400.3.35.1
  • openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    • freerdp-wayland-debuginfo-2.4.0-150400.3.35.1
    • freerdp-2.4.0-150400.3.35.1
    • winpr2-devel-2.4.0-150400.3.35.1
    • libwinpr2-2.4.0-150400.3.35.1
    • freerdp-debugsource-2.4.0-150400.3.35.1
    • libfreerdp2-2.4.0-150400.3.35.1
    • freerdp-server-debuginfo-2.4.0-150400.3.35.1
    • libfreerdp2-debuginfo-2.4.0-150400.3.35.1
    • freerdp-proxy-2.4.0-150400.3.35.1
    • libwinpr2-debuginfo-2.4.0-150400.3.35.1
    • freerdp-proxy-debuginfo-2.4.0-150400.3.35.1
    • freerdp-debuginfo-2.4.0-150400.3.35.1
    • freerdp-devel-2.4.0-150400.3.35.1
    • freerdp-server-2.4.0-150400.3.35.1
    • freerdp-wayland-2.4.0-150400.3.35.1
    • libuwac0-0-2.4.0-150400.3.35.1
    • uwac0-0-devel-2.4.0-150400.3.35.1
    • libuwac0-0-debuginfo-2.4.0-150400.3.35.1

References: