AlmaLinux 10 : freerdp (ALSA-2026:5939)

high Nessus Plugin ID 304010

Synopsis

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

Description

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:5939 advisory.

* freerdp: FreeRDP: Arbitrary code execution via heap out-of-bounds write in RLE planar decode path (CVE-2026-26965)
* freerdp: FreeRDP: Arbitrary code execution via heap buffer overflow in GDI surface pipeline (CVE-2026-26955)

Tenable has extracted the preceding description block directly from the AlmaLinux 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://errata.almalinux.org/10/ALSA-2026-5939.html

https://access.redhat.com/errata/RHSA-2026:5939

Plugin Details

Severity: High

ID: 304010

File Name: alma_linux_ALSA-2026-5939.nasl

Version: 1.1

Type: local

Published: 3/27/2026

Updated: 3/27/2026

Supported Sensors: Nessus Agent, 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-2026-26965

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:/o:alma:linux:10::resilientstorage, p-cpe:/a:alma:linux:freerdp, p-cpe:/a:alma:linux:libwinpr, p-cpe:/a:alma:linux:freerdp-server, cpe:/o:alma:linux:10::supplementary, cpe:/o:alma:linux:10::realtime, cpe:/o:alma:linux:10::sap, cpe:/o:alma:linux:10::powertools, cpe:/o:alma:linux:10::highavailability, p-cpe:/a:alma:linux:freerdp-devel, cpe:/o:alma:linux:10::appstream, cpe:/o:alma:linux:10, p-cpe:/a:alma:linux:libwinpr-devel, cpe:/o:alma:linux:10::baseos, p-cpe:/a:alma:linux:freerdp-libs, cpe:/o:alma:linux:10::sap_hana, cpe:/o:alma:linux:10::nfv

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/26/2026

Vulnerability Publication Date: 2/25/2026

Reference Information

CVE: CVE-2026-26955, CVE-2026-26965

CWE: 787, 805

RHSA: 2026:5939