Detections
Analytics

Oracle Linux 7 : xorg-x11-server (ELSA-2026-36083)

high Nessus Plugin ID 335401

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-2026-36083 advisory.

 - Security update for CVE-2026-50256 CVE-2026-50257 CVE-2026-50258 CVE-2026-50259 CVE-2026-50260 CVE-2026-50261 CVE-2026-50262 CVE-2026-50263 CVE-2026-50264 [Orabug: 39695293]

 * Tue Jun 09 2026 Ronan Pigott 1.20.4-29.0.7
 - 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-2026-36083.html

Plugin Details

Severity: High

ID: 335401

File Name: oraclelinux_ELSA-2026-36083.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/14/2026

Updated: 8/14/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.98

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-50264

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 6/1/2026

Reference Information

CVE: CVE-2026-50256, CVE-2026-50257, CVE-2026-50258, CVE-2026-50259, CVE-2026-50260, CVE-2026-50261, CVE-2026-50262, CVE-2026-50263, CVE-2026-50264