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Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: expat (UTSA-2025-988618)

high Nessus Plugin ID 272104

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-2025-988618 advisory.

 libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

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 expat package.

See Also

http://www.nessus.org/u?8d7d8596

https://gitee.com/src-openeuler/expat/issues/ICXYBD

https://nvd.nist.gov/vuln/detail/CVE-2025-59375

Plugin Details

Severity: High

ID: 272104

File Name: unity_linux_UTSA-2025-988618.nasl

Version: 1.1

Type: local

Published: 10/31/2025

Updated: 10/31/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2025-59375

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

Temporal Vector: CVSS:3.0/E:P/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/31/2025

Vulnerability Publication Date: 9/15/2025

Reference Information

CVE: CVE-2025-59375