Detections
Analytics

Oracle Linux 10 : freerdp (ELSA-2026-36203)

high Nessus Plugin ID 328752

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-36203 advisory.

 - Backport several CVE fixes (CVE-2026-40033, CVE-2026-44420, CVE-2026-44421, CVE-2026-44422, CVE-2026-45700) Resolves: RHEL-186978, RHEL-186967, RHEL-186958, RHEL-186950, RHEL-186093
 - Lock appWindow to fix use-after-free in RAIL mode (CVE-2026-25952) Resolves: RHEL-159848
 - Fix double free in xf_rail_window_common cleanup (CVE-2026-26986)
 - Fix clipboard use-after-free during auto-reconnect (CVE-2026-25997)
 - Fix heap-buffer-overflow in bitmap_cache_put (CVE-2026-29775)
 - Add DSP format checks (CVE-2026-31884)
 - Fix DSP array bounds checks (CVE-2026-31883)
 - Fix DSP array bounds checks (CVE-2026-31885)
 - Update PERSISTENT_CACHE_ENTRY::size after realloc (CVE-2026-33987)
 - Update CLEAR_GLYPH_ENTRY::count after alloc (CVE-2026-33985)

Tenable has extracted the preceding description block directly from the Oracle 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 affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-36203.html

Plugin Details

Severity: High

ID: 328752

File Name: oraclelinux_ELSA-2026-36203.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/21/2026

Updated: 7/21/2026

Supported Sensors: Nessus Agent, Continuous Assessment, 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: cpe:/o:oracle:linux:10, p-cpe:/a:oracle:linux:freerdp-devel, p-cpe:/a:oracle:linux:freerdp-libs, p-cpe:/a:oracle:linux:freerdp-server, p-cpe:/a:oracle:linux:freerdp, p-cpe:/a:oracle:linux:libwinpr-devel, p-cpe:/a:oracle:linux:libwinpr

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/16/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

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

IAVA: 2026-A-0602, 2026-A-0656