Detections
Analytics

Oracle Linux 8 : xorg-x11-server-Xwayland (ELSA-2026-86907)

high Nessus Plugin ID 370156

Synopsis

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

Description

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-86907 advisory.

 [21.1.3-20.4]
 - CVE fix for: CVE-2026-88812, CVE-2026-93515, CVE-2026-93516 CVE-2026-93517, CVE-2026-93518, CVE-2026-93519, CVE-2026-93520, CVE-2026-93521, CVE-2026-93523, CVE-2026-93524 Resolves: https://redhat.atlassian.net/browse/RHEL-277856 Resolves: https://redhat.atlassian.net/browse/RHEL-277838 Resolves: https://redhat.atlassian.net/browse/RHEL-275768 Resolves: https://redhat.atlassian.net/browse/RHEL-276864 Resolves: https://redhat.atlassian.net/browse/RHEL-276342 Resolves: https://redhat.atlassian.net/browse/RHEL-276410 Resolves: https://redhat.atlassian.net/browse/RHEL-277876 Resolves: https://redhat.atlassian.net/browse/RHEL-277870

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 xorg-x11-server-Xwayland package.

See Also

https://linux.oracle.com/errata/ELSA-2026-86907.html

Plugin Details

Severity: High

ID: 370156

File Name: oraclelinux_ELSA-2026-86907.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/21/2026

Updated: 10/21/2026

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: 6.9

Percentile: 96.5

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-2026-93523

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:8, 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: 10/21/2026

Vulnerability Publication Date: 10/7/2026

Reference Information

CVE: CVE-2026-88812, CVE-2026-93516, CVE-2026-93517, CVE-2026-93518, CVE-2026-93519, CVE-2026-93520, CVE-2026-93521, CVE-2026-93523