Detections
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Oracle Linux 7 : xorg-x11-server (ELSA-2026-20590)

critical Nessus Plugin ID 325925

Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20590 advisory.

 - Security update for CVE-2026-33999 CVE-2026-34000 CVE-2026-34001 CVE-2026-34002 CVE-2026-34003 [Orabug:
 39440282]
 - Security update for CVE-2025-62229 CVE-2025-62230 CVE-2025-62231 [Orabug: 38691191]
 - Fix CVE-2025-49175, CVE-2025-49176, CVE-2025-49178, CVE-2025-49179, CVE-2025-49180 [Orabug: 38157695]
 - Fixed CVE-2025-26594 CVE-2025-26595 CVE-2025-26596
 - CVE-2025-26597 CVE-2025-26598 CVE-2025-26599 CVE-2025-26600

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-2026-20590.html

Plugin Details

Severity: Critical

ID: 325925

File Name: oraclelinux_ELSA-2026-20590.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/9/2026

Updated: 7/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.46

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-34002

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:xorg-x11-server-xwayland, p-cpe:/a:oracle:linux:xorg-x11-server-xvfb, p-cpe:/a:oracle:linux:xorg-x11-server-xdmx, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:xorg-x11-server-common, p-cpe:/a:oracle:linux:xorg-x11-server-source, p-cpe:/a:oracle:linux:xorg-x11-server-devel, p-cpe:/a:oracle:linux:xorg-x11-server-xephyr, p-cpe:/a:oracle:linux:xorg-x11-server-xorg, p-cpe:/a:oracle:linux:xorg-x11-server-xnest

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/8/2026

Vulnerability Publication Date: 4/14/2026

Reference Information

CVE: CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003