SUSE-SU-2026:1635-1: important: Security update for freerdp
SLE-SECURITY-UPDATES
null at suse.de
Mon Apr 27 20:30:26 UTC 2026
# 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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