Detections
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RHEL 9 : freerdp (RHSA-2026:93592)

high Nessus Plugin ID 375303

Synopsis

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

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:93592 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: Denial of Service via uninitialized progressive tile handling (CVE-2026-109242)

 * freerdp: freerdp: Denial of Service via heap-based buffer overflow during MP3 audio decoding (CVE-2026-110837)

 * freerdp: freerdp: Denial of Service via heap out-of-bounds write in NTLM authentication (CVE-2026-111880)

 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-2026:93592.

See Also

https://access.redhat.com/errata/RHSA-2026:93592

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

https://bugzilla.redhat.com/show_bug.cgi?id=2549790

https://bugzilla.redhat.com/show_bug.cgi?id=2552978

https://bugzilla.redhat.com/show_bug.cgi?id=2554625

http://www.nessus.org/u?12d4e0fe

Plugin Details

Severity: High

ID: 375303

File Name: redhat-RHSA-2026-93592.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/2/2026

Updated: 11/2/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

Percentile: 57.85

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-109242

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.7

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

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

CVSS Score Source: CVE-2026-111880

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 7

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-111880

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, cpe:/o:redhat:rhel_eus:9.8, p-cpe:/a:redhat:enterprise_linux:freerdp-devel, p-cpe:/a:redhat:enterprise_linux:freerdp-libs, 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: 11/2/2026

Vulnerability Publication Date: 10/12/2026

Reference Information

CVE: CVE-2026-109242, CVE-2026-110837, CVE-2026-111880

CWE: 122, 787, 908

RHSA: 2026:93592