Detections
Analytics
Unity Linux 20.1070e Security Update: expat (UTSA-2026-130352)
medium Nessus Plugin ID 366298
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-2026-130352 advisory.libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.
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
https://atomgit.com/src-openeuler/expat/issues/79
Plugin Details
Severity: Medium
ID: 366298
File Name: unity_linux_UTSA-2026-130352.nasl
Version: 1.1
Type: Local
Published: 10/15/2026
Updated: 10/15/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3
Percentile: 23.68
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2026-72522
CVSS v3
Risk Factor: Medium
Base Score: 6.2
Temporal Score: 5.4
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/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: 10/15/2026
Vulnerability Publication Date: 8/10/2026
Reference Information
CVE: CVE-2026-72522