Security update for freerdp

Announcement ID: SUSE-SU-2026:0656-1
Release Date: 2026-02-26T15:06:37Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-22855 ( 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-2026-22855 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
  • CVE-2026-22855 ( 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-2026-22855 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  • CVE-2026-22857 ( 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-2026-22857 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-22857 ( 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-2026-22857 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-23533 ( 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-2026-23533 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-23533 ( 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-2026-23533 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-23732 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  • CVE-2026-23732 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2026-23732 ( NVD ): 5.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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-2026-23732 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-23883 ( 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-2026-23883 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-23883 ( 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-2026-23883 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-23884 ( 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-2026-23884 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2026-23884 ( 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-2026-23884 ( 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 six vulnerabilities can now be installed.

Description:

This update for freerdp fixes the following issues:

  • CVE-2026-22855: heap-buffer-overflow in smartcard_unpack_set_attrib_call (bsc#1256721).
  • CVE-2026-22857: heap-use-after-free in irp_thread_func (bsc#1256723).
  • CVE-2026-23533: improper validation can lead to heap buffer overflow in clear_decompress_residual_data (bsc#1256943).
  • CVE-2026-23732: improper validation can lead to heap buffer overflow in Glyph_Alloc (bsc#1256945).
  • CVE-2026-23883: use-after-free when update_pointer_color and freerdp_image_copy_from_pointer_data fail (bsc#1256946).
  • CVE-2026-23884: use-after-free in gdi_set_bounds (bsc#1256947).

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:

  • openSUSE Leap 15.4
    zypper in -t patch SUSE-2026-656=1
  • SUSE Package Hub 15 15-SP7
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-656=1

Package List:

  • openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    • winpr2-devel-2.4.0-150400.3.41.1
    • freerdp-server-debuginfo-2.4.0-150400.3.41.1
    • libuwac0-0-2.4.0-150400.3.41.1
    • freerdp-debugsource-2.4.0-150400.3.41.1
    • libwinpr2-2.4.0-150400.3.41.1
    • freerdp-proxy-2.4.0-150400.3.41.1
    • libfreerdp2-2.4.0-150400.3.41.1
    • libwinpr2-debuginfo-2.4.0-150400.3.41.1
    • freerdp-devel-2.4.0-150400.3.41.1
    • libuwac0-0-debuginfo-2.4.0-150400.3.41.1
    • freerdp-server-2.4.0-150400.3.41.1
    • freerdp-2.4.0-150400.3.41.1
    • freerdp-debuginfo-2.4.0-150400.3.41.1
    • freerdp-wayland-debuginfo-2.4.0-150400.3.41.1
    • freerdp-wayland-2.4.0-150400.3.41.1
    • uwac0-0-devel-2.4.0-150400.3.41.1
    • freerdp-proxy-debuginfo-2.4.0-150400.3.41.1
    • libfreerdp2-debuginfo-2.4.0-150400.3.41.1
  • SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)
    • libwinpr2-2.4.0-150400.3.41.1
    • freerdp-debugsource-2.4.0-150400.3.41.1
    • libfreerdp2-2.4.0-150400.3.41.1
    • libwinpr2-debuginfo-2.4.0-150400.3.41.1
    • freerdp-debuginfo-2.4.0-150400.3.41.1
    • libfreerdp2-debuginfo-2.4.0-150400.3.41.1

References: