Unity Linux 20.1070a Security Update: firefox (UTSA-2025-987429)

critical Nessus Plugin ID 268872

Synopsis

The Unity Linux host is missing one or more security updates.

Description

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987429 advisory.

addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected firefox package.

See Also

http://www.nessus.org/u?5d72bdc4

https://access.redhat.com/security/cve/CVE-2022-22822

https://nvd.nist.gov/vuln/detail/CVE-2022-22822

Plugin Details

Severity: Critical

ID: 268872

File Name: unity_linux_UTSA-2025-987429.nasl

Version: 1.2

Type: local

Published: 10/7/2025

Updated: 10/10/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2022-22822

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

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/24/2025

Vulnerability Publication Date: 1/8/2022

Reference Information

CVE: CVE-2022-22822