Fedora 44 : xorg-x11-server-Xwayland (2026-a3d32667b8)

critical Nessus Plugin ID 326102

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a3d32667b8 advisory.

Update to xwayland 24.1.13, fixes for: CVE-2026-55999, CVE-2026-56000

Tenable has extracted the preceding description block directly from the Fedora 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://bodhi.fedoraproject.org/updates/FEDORA-2026-a3d32667b8

Plugin Details

Severity: Critical

ID: 326102

File Name: fedora_2026-a3d32667b8.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/10/2026

Updated: 7/10/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.1

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-2026-56000

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

CVSS v4

Risk Factor: Critical

Base Score: 9

Threat Score: 6.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xorg-x11-server-xwayland, cpe:/o:fedoraproject:fedora:44

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/8/2026

Vulnerability Publication Date: 7/8/2026

Reference Information

CVE: CVE-2026-55999, CVE-2026-56000