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SUSE alert SUSE-SU-2026:1635-1 (freerdp)



From:
              SLE-SECURITY-UPDATES <null@suse.de>


To:
              sle-security-updates@lists.suse.com


Subject:
              SUSE-SU-2026:1635-1: important: Security update for freerdp


Date:
              Mon, 27 Apr 2026 20:30:26 -0000


Message-ID:
              <177732182670.7394.7884264892106624680@a649e7bfc190>




# Security update for freerdp

Announcement ID: SUSE-SU-2026:1635-1  
Release Date: 2026-04-27T12:06:38Z  
Rating: important  
References:

  * bsc#1258919
  * bsc#1258920
  * bsc#1258921
  * bsc#1258923
  * bsc#1258924
  * bsc#1258939
  * bsc#1258967
  * bsc#1258977
  * bsc#1258987
  * bsc#1259680
  * bsc#1259684
  * bsc#1259689
  * bsc#1259692
  * bsc#1259693
  * bsc#1261848

  
Cross-References:

  * CVE-2026-25941
  * CVE-2026-25942
  * CVE-2026-25952
  * CVE-2026-25953
  * CVE-2026-25954
  * CVE-2026-25997
  * CVE-2026-26986
  * CVE-2026-27015
  * CVE-2026-27951
  * CVE-2026-29774
  * CVE-2026-29775
  * CVE-2026-29776
  * CVE-2026-31884
  * CVE-2026-31897

  
CVSS scores:

  * CVE-2026-25941 ( SUSE ):  5.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-25941 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  * CVE-2026-25941 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
  * CVE-2026-25941 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  * CVE-2026-25942 ( SUSE ):  6.9
    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
  * CVE-2026-25942 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-25942 ( 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-2026-25942 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-25952 ( SUSE ):  6.9
    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
  * CVE-2026-25952 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-25952 ( 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-2026-25952 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-25953 ( SUSE ):  6.9
    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
  * CVE-2026-25953 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-25953 ( 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-2026-25953 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-25954 ( SUSE ):  6.9
    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
  * CVE-2026-25954 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-25954 ( 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-2026-25954 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-25997 ( SUSE ):  6.9
    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
  * CVE-2026-25997 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-25997 ( 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-2026-25997 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-26986 ( SUSE ):  6.9
    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
  * CVE-2026-26986 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-26986 ( 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-2026-26986 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-27015 ( SUSE ):  5.9
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-27015 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-27015 ( NVD ):  5.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/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-2026-27015 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-27951 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-27951 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-27951 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-27951 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-29774 ( SUSE ):  6.9
    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
  * CVE-2026-29774 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-29774 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-29774 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-29775 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-29775 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-29775 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-29775 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-29776 ( SUSE ):  2.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-29776 ( SUSE ):  3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-29776 ( NVD ):  3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-31884 ( SUSE ):  6.9
    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
  * CVE-2026-31884 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-31884 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-31884 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-31897 ( SUSE ):  2.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-31897 ( SUSE ):  3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-31897 ( NVD ):  0.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N
  * CVE-2026-31897 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves 14 vulnerabilities and has one security fix can now be
installed.

## Description:

This update for freerdp fixes the following issues:

  * CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted
    `WIRE_TO_SURFACE_2` PDU (bsc#1258919).
  * CVE-2026-25942: Global-buffer-overflow in `xf_rail_server_execute_result`
    (bsc#1258920).
  * CVE-2026-25952: Heap-use-after-free in `xf_SetWindowMinMaxInfo`
    (bsc#1258921).
  * CVE-2026-25953: Heap-use-after-free in `xf_AppUpdateWindowFromSurface`
    (bsc#1258923).
  * CVE-2026-25954: Heap-use-after-free in `xf_rail_server_local_move_size`
    (bsc#1258924).
  * CVE-2026-25997: Heap-use-after-free in `xf_clipboard_format_equal`
    (bsc#1258977).
  * CVE-2026-26986: Heap-use-after-free in `rail_window_free` (bsc#1258967).
  * CVE-2026-27015: Smartcard NDR alignment padding triggers reachable
    `WINPR_ASSERT` abort (bsc#1258987).
  * CVE-2026-27951: Denial of service via endless blocking loop in
    `Stream_EnsureCapacity` (bsc#1258939).
  * CVE-2026-29774: Missing bounds validation can cause a client-side heap
    buffer overflow (bsc#1259689).
  * CVE-2026-29775: Malicious server can trigger a client-side heap out-of-
    bounds access (bsc#1259684).
  * CVE-2026-29776: Missing length check can lead to an integer underflow
    (bsc#1259692).
  * CVE-2026-31897: Missing length check can cause an out-of-bounds read
    (bsc#1259693).

## 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 Linux Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1635=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1635=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * winpr2-devel-2.1.2-12.68.1
    * freerdp-devel-2.1.2-12.68.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * winpr2-devel-2.1.2-12.68.1
    * freerdp-devel-2.1.2-12.68.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-25941.html
  * https://www.suse.com/security/cve/CVE-2026-25942.html
  * https://www.suse.com/security/cve/CVE-2026-25952.html
  * https://www.suse.com/security/cve/CVE-2026-25953.html
  * https://www.suse.com/security/cve/CVE-2026-25954.html
  * https://www.suse.com/security/cve/CVE-2026-25997.html
  * https://www.suse.com/security/cve/CVE-2026-26986.html
  * https://www.suse.com/security/cve/CVE-2026-27015.html
  * https://www.suse.com/security/cve/CVE-2026-27951.html
  * https://www.suse.com/security/cve/CVE-2026-29774.html
  * https://www.suse.com/security/cve/CVE-2026-29775.html
  * https://www.suse.com/security/cve/CVE-2026-29776.html
  * https://www.suse.com/security/cve/CVE-2026-31884.html
  * https://www.suse.com/security/cve/CVE-2026-31897.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1258919
  * https://bugzilla.suse.com/show_bug.cgi?id=1258920
  * https://bugzilla.suse.com/show_bug.cgi?id=1258921
  * https://bugzilla.suse.com/show_bug.cgi?id=1258923
  * https://bugzilla.suse.com/show_bug.cgi?id=1258924
  * https://bugzilla.suse.com/show_bug.cgi?id=1258939
  * https://bugzilla.suse.com/show_bug.cgi?id=1258967
  * https://bugzilla.suse.com/show_bug.cgi?id=1258977
  * https://bugzilla.suse.com/show_bug.cgi?id=1258987
  * https://bugzilla.suse.com/show_bug.cgi?id=1259680
  * https://bugzilla.suse.com/show_bug.cgi?id=1259684
  * https://bugzilla.suse.com/show_bug.cgi?id=1259689
  * https://bugzilla.suse.com/show_bug.cgi?id=1259692
  * https://bugzilla.suse.com/show_bug.cgi?id=1259693
  * https://bugzilla.suse.com/show_bug.cgi?id=1261848





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