SUSE SLED15 / SLES15 Security Update : freerdp (SUSE-SU-2026:0345-1)

high Nessus Plugin ID 297418

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0345-1 advisory.

- CVE-2025-4478: Fixed initialization of function pointers after resource allocations (bsc#1243109)
- CVE-2026-22851: Fixed RDPGFX ResetGraphics race leading to use-after-free in SDL client (sdl->primary) (bsc#1256717)
- CVE-2026-22852: Fixed heap-buffer-overflow in audin_process_formats (bsc#1256718)
- CVE-2026-22853: Fixed heap-buffer-overflow in ndr_read_uint8Array (bsc#1256719)
- CVE-2026-22854: Fixed heap-buffer-overflow in drive_process_irp_read (bsc#1256720)
- CVE-2026-22855: Fixed heap-buffer-overflow in smartcard_unpack_set_attrib_call (bsc#1256721)
- CVE-2026-22856: Fixed heap-use-after-free in create_irp_thread (bsc#1256722)
- CVE-2026-22857: Fixed heap-use-after-free in irp_thread_func (bsc#1256723)
- CVE-2026-22858: Fixed global-buffer-overflow in crypto_base64_devoce (bsc#1256724)
- CVE-2026-22859: Fixed heap-buffer-overflow in urb_select_configuration (bsc#1256725)
- CVE-2026-23530: Fixed improper validation leading to heap buffer overflow in `planar_decompress_plane_rle` (bsc#1256940)
- CVE-2026-23531: Fixed improper validation in `clear_decompress` leading to heap buffer overflow (bsc#1256941)
- CVE-2026-23532: Fixed mismatch between destination rectangle clamping and the actual copy size leading to heap buffer overflow in `gdi_SurfaceToSurface` (bsc#1256942)
- CVE-2026-23533: Fixed improper validation leading to heap buffer overflow in `clear_decompress_residual_data` (bsc#1256943)
- CVE-2026-23534: Fixed missing checks leading to heap buffer overflow in `clear_deceompress_bands_data` (bsc#1256944)
- CVE-2026-23732: Fixed improper validation leading to heap buffer overflow in `Glyph_alloc` (bsc#1256945)
- CVE-2026-23883: Fixed use-after-free when `update_pointer_color` and `freerdp_image_copy_fromPointer_data` fail (bsc#1256946)
- CVE-2026-23884: Fixed use-after-free in `gdi_set_bounds` (bsc#1256947)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1256718

https://bugzilla.suse.com/1256719

https://bugzilla.suse.com/1256720

https://bugzilla.suse.com/1256721

https://bugzilla.suse.com/1256722

https://bugzilla.suse.com/1256723

https://bugzilla.suse.com/1256724

https://bugzilla.suse.com/1256725

https://bugzilla.suse.com/1256940

https://bugzilla.suse.com/1256941

https://bugzilla.suse.com/1256942

https://bugzilla.suse.com/1256943

https://bugzilla.suse.com/1256944

https://bugzilla.suse.com/1256945

https://bugzilla.suse.com/1256946

https://bugzilla.suse.com/1243109

https://bugzilla.suse.com/1256717

https://bugzilla.suse.com/1256947

http://www.nessus.org/u?535c0cc4

https://www.suse.com/security/cve/CVE-2025-4478

https://www.suse.com/security/cve/CVE-2026-22851

https://www.suse.com/security/cve/CVE-2026-22852

https://www.suse.com/security/cve/CVE-2026-22853

https://www.suse.com/security/cve/CVE-2026-22854

https://www.suse.com/security/cve/CVE-2026-22855

https://www.suse.com/security/cve/CVE-2026-22856

https://www.suse.com/security/cve/CVE-2026-22857

https://www.suse.com/security/cve/CVE-2026-22858

https://www.suse.com/security/cve/CVE-2026-22859

https://www.suse.com/security/cve/CVE-2026-23530

https://www.suse.com/security/cve/CVE-2026-23531

https://www.suse.com/security/cve/CVE-2026-23532

https://www.suse.com/security/cve/CVE-2026-23533

https://www.suse.com/security/cve/CVE-2026-23534

https://www.suse.com/security/cve/CVE-2026-23732

https://www.suse.com/security/cve/CVE-2026-23883

https://www.suse.com/security/cve/CVE-2026-23884

Plugin Details

Severity: High

ID: 297418

File Name: suse_SU-2026-0345-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/31/2026

Updated: 1/31/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-23884

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

Vector: 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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:freerdp, p-cpe:/a:novell:suse_linux:freerdp-proxy-plugins, p-cpe:/a:novell:suse_linux:freerdp-devel, p-cpe:/a:novell:suse_linux:libwinpr3-3, p-cpe:/a:novell:suse_linux:winpr-devel, p-cpe:/a:novell:suse_linux:freerdp-wayland, p-cpe:/a:novell:suse_linux:freerdp-server, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:freerdp-sdl, p-cpe:/a:novell:suse_linux:librdtk0-0, p-cpe:/a:novell:suse_linux:libfreerdp-server-proxy3-3, p-cpe:/a:novell:suse_linux:libuwac0-0, p-cpe:/a:novell:suse_linux:freerdp-proxy, p-cpe:/a:novell:suse_linux:libfreerdp3-3

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/30/2026

Vulnerability Publication Date: 5/16/2025

Reference Information

CVE: CVE-2025-4478, CVE-2026-22851, CVE-2026-22852, CVE-2026-22853, CVE-2026-22854, CVE-2026-22855, CVE-2026-22856, CVE-2026-22857, CVE-2026-22858, CVE-2026-22859, CVE-2026-23530, CVE-2026-23531, CVE-2026-23532, CVE-2026-23533, CVE-2026-23534, CVE-2026-23732, CVE-2026-23883, CVE-2026-23884

SuSE: SUSE-SU-2026:0345-1