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Slackware Linux 15.0 / current xorg-server Multiple Vulnerabilities (SSA:2026-280-01)

critical Nessus Plugin ID 364131

Synopsis

The remote Slackware Linux host is missing a security update to xorg-server.

Description

The version of xorg-server installed on the remote host is prior to 1.20.14 / 21.1.25 / 21.1.4 / 24.1.14. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-280-01 advisory.

 New xorg-server packages are available for Slackware 15.0 and -current to fix security issues.

Tenable has extracted the preceding description block directly from the xorg-server 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

Upgrade the affected xorg-server package.

See Also

http://www.nessus.org/u?035ba648

Plugin Details

Severity: Critical

ID: 364131

File Name: Slackware_SSA_2026-280-01.nasl

Version: 1.1

Type: Local

Published: 10/8/2026

Updated: 10/8/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.36

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-93520

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:slackware:slackware_linux, cpe:/o:slackware:slackware_linux:15.0, p-cpe:/a:slackware:slackware_linux:xorg-server-xephyr, p-cpe:/a:slackware:slackware_linux:xorg-server-xnest, p-cpe:/a:slackware:slackware_linux:xorg-server-xvfb, p-cpe:/a:slackware:slackware_linux:xorg-server-xwayland, p-cpe:/a:slackware:slackware_linux:xorg-server

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Ease: No known exploits are available

Patch Publication Date: 10/7/2026

Vulnerability Publication Date: 10/7/2026

Reference Information

CVE: CVE-2026-88812, CVE-2026-93515, CVE-2026-93517, CVE-2026-93518, CVE-2026-93519, CVE-2026-93520, CVE-2026-93521, CVE-2026-93523, CVE-2026-93524