RHEL 10 : freerdp (RHSA-2026:54486)

critical Nessus Plugin ID 335175

Synopsis

The remote Red Hat host is missing one or more security updates for freerdp.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:54486 advisory.

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

Security Fix(es):

* FreeRDP: FreeRDP: Remote code execution or denial of service via heap-based buffer overflow (CVE-2026-64620)

* FreeRDP: FreeRDP: Double-free vulnerability via crafted .rdp file leading to potential remote code execution (CVE-2026-64621)

* FreeRDP: FreeRDP: Arbitrary code execution via malicious RDP files (CVE-2026-64624)

* FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message (CVE-2026-67299)

* FreeRDP: FreeRDP: HTTP Proxy Request Injection via Redirection (CVE-2026-67289)

* FreeRDP: FreeRDP: Remote code execution or denial of service via audio input integer overflow (CVE-2026-68580)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL freerdp package based on the guidance in RHSA-2026:54486.

See Also

https://access.redhat.com/errata/RHSA-2026:54486

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2502752

https://bugzilla.redhat.com/show_bug.cgi?id=2502766

https://bugzilla.redhat.com/show_bug.cgi?id=2503096

https://bugzilla.redhat.com/show_bug.cgi?id=2509985

https://bugzilla.redhat.com/show_bug.cgi?id=2510004

https://bugzilla.redhat.com/show_bug.cgi?id=2510125

http://www.nessus.org/u?7ef0353b

Plugin Details

Severity: Critical

ID: 335175

File Name: redhat-RHSA-2026-54486.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/13/2026

Updated: 8/13/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.83

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-64620

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-67289

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.2, p-cpe:/a:redhat:enterprise_linux:freerdp-devel, p-cpe:/a:redhat:enterprise_linux:freerdp-libs, p-cpe:/a:redhat:enterprise_linux:freerdp-server, p-cpe:/a:redhat:enterprise_linux:freerdp, p-cpe:/a:redhat:enterprise_linux:libwinpr-devel, p-cpe:/a:redhat:enterprise_linux:libwinpr

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 7/20/2026

Reference Information

CVE: CVE-2026-64620, CVE-2026-64621, CVE-2026-64624, CVE-2026-67289, CVE-2026-67299, CVE-2026-68580

CWE: 120, 1341, 190, 416, 88, 93

RHSA: 2026:54486