SUSE-SU-2026:0656-1: important: Security update for freerdp

SLE-SECURITY-UPDATES null at suse.de
Thu Feb 26 20:32:14 UTC 2026 


# Security update for freerdp

Announcement ID: SUSE-SU-2026:0656-1  
Release Date: 2026-02-26T15:06:37Z  
Rating: important  
References:

  * bsc#1256721
  * bsc#1256723
  * bsc#1256943
  * bsc#1256945
  * bsc#1256946
  * bsc#1256947

  
Cross-References:

  * CVE-2026-22855
  * CVE-2026-22857
  * CVE-2026-23533
  * CVE-2026-23732
  * CVE-2026-23883
  * CVE-2026-23884

  
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:

  * https://www.suse.com/security/cve/CVE-2026-22855.html
  * https://www.suse.com/security/cve/CVE-2026-22857.html
  * https://www.suse.com/security/cve/CVE-2026-23533.html
  * https://www.suse.com/security/cve/CVE-2026-23732.html
  * https://www.suse.com/security/cve/CVE-2026-23883.html
  * https://www.suse.com/security/cve/CVE-2026-23884.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1256721
  * https://bugzilla.suse.com/show_bug.cgi?id=1256723
  * https://bugzilla.suse.com/show_bug.cgi?id=1256943
  * https://bugzilla.suse.com/show_bug.cgi?id=1256945
  * https://bugzilla.suse.com/show_bug.cgi?id=1256946
  * https://bugzilla.suse.com/show_bug.cgi?id=1256947

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