SUSE SLED15 / SLES15 Security Update : freerdp2 (SUSE-SU-2026:0683-1)

high Nessus Plugin ID 300207

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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-2026:0683-1 advisory.

- 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).
- CVE-2026-24491: heap-use-after-free in video_timer (bsc#1257981).
- CVE-2026-24675: heap-use-after-free in urb_select_interface (bsc#1257982).
- CVE-2026-24676: heap-use-after-free in audio_format_compatible (bsc#1257983).
- CVE-2026-24679: heap-buffer-overflow in urb_select_interface (bsc#1257986).
- CVE-2026-24681: heap-use-after-free in urb_bulk_transfer_cb (bsc#1257988).
- CVE-2026-24682: heap-buffer-overflow in audio_formats_free (bsc#1257989).
- CVE-2026-24683: heap-use-after-free in ainput_send_input_event (bsc#1257990).
- CVE-2026-24684: heap-use-after-free in play_thread (bsc#1257991).

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.

Plugin Details

Severity: High

ID: 300207

File Name: suse_SU-2026-0683-1.nasl

Version: 1.1

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 3/2/2026

Updated: 3/2/2026

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

CVSS Score Source: CVE-2026-24684

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libwinpr2-2, p-cpe:/a:novell:suse_linux:freerdp2-server, p-cpe:/a:novell:suse_linux:freerdp2-devel, p-cpe:/a:novell:suse_linux:libfreerdp2-2, p-cpe:/a:novell:suse_linux:freerdp2-proxy, p-cpe:/a:novell:suse_linux:winpr2-devel, p-cpe:/a:novell:suse_linux:freerdp2, cpe:/o:novell:suse_linux:15

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: 2/27/2026

Vulnerability Publication Date: 1/14/2026

Reference Information

CVE: CVE-2026-22855, CVE-2026-22857, CVE-2026-23533, CVE-2026-23732, CVE-2026-23883, CVE-2026-23884, CVE-2026-24491, CVE-2026-24675, CVE-2026-24676, CVE-2026-24679, CVE-2026-24681, CVE-2026-24682, CVE-2026-24683, CVE-2026-24684

IAVA: 2026-A-0099

SuSE: SUSE-SU-2026:0683-1

Detections

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