RockyLinux 10 : freerdp (RLSA-2026:36203)

high Nessus Plugin ID 325653

Synopsis

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

Description

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:36203 advisory.

* freerdp: FreeRDP: Remote code execution via heap-buffer-overflow in gdi_CacheToSurface (CVE-2026-40033)

* freerdp: FreeRDP: Arbitrary code execution or denial of service via heap use-after-free in RDPEAR NDR parser (CVE-2026-44422)

* freerdp: FreeRDP: Out-of-bounds write in planar bitmap decoder allows arbitrary code execution (CVE-2026-45700)

* freerdp: FreeRDP: Arbitrary code execution via crafted RDPGFX PDUs (CVE-2026-44421)

* freerdp: FreeRDP: Arbitrary code execution and denial of service via heap-buffer-overflow (CVE-2026-44420)

Tenable has extracted the preceding description block directly from the RockyLinux 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.redhat.com/show_bug.cgi?id=2481473

https://bugzilla.redhat.com/show_bug.cgi?id=2483467

https://bugzilla.redhat.com/show_bug.cgi?id=2483470

https://bugzilla.redhat.com/show_bug.cgi?id=2483471

https://bugzilla.redhat.com/show_bug.cgi?id=2483480

https://errata.rockylinux.org/RLSA-2026:36203

Plugin Details

Severity: High

ID: 325653

File Name: rocky_linux_RLSA-2026-36203.nasl

Version: 1.1

Type: Local

Published: 7/8/2026

Updated: 7/8/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.96

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-2026-45700

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: 7.4

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-40033

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:freerdp, p-cpe:/a:rocky:linux:freerdp-debuginfo, p-cpe:/a:rocky:linux:freerdp-debugsource, p-cpe:/a:rocky:linux:freerdp-devel, p-cpe:/a:rocky:linux:freerdp-libs, p-cpe:/a:rocky:linux:freerdp-libs-debuginfo, p-cpe:/a:rocky:linux:libwinpr, p-cpe:/a:rocky:linux:libwinpr-debuginfo, p-cpe:/a:rocky:linux:libwinpr-devel, cpe:/o:rocky:linux:10, p-cpe:/a:rocky:linux:freerdp-server, p-cpe:/a:rocky:linux:freerdp-server-debuginfo

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/8/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-40033, CVE-2026-44420, CVE-2026-44421, CVE-2026-44422, CVE-2026-45700