Detections
Analytics
Unity Linux 20.1070a Security Update: python3.11 (UTSA-2026-150498)
medium Nessus Plugin ID 376621
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-2026-150498 advisory.When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents.
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 python3.11 package.See Also
https://access.redhat.com/security/cve/CVE-2025-12084
https://github.com/python/cpython/issues/142145
https://github.com/python/cpython/pull/142146
http://www.nessus.org/u?03f1148d
http://www.nessus.org/u?1a266fd8
http://www.nessus.org/u?2242f620
http://www.nessus.org/u?299cfd80
http://www.nessus.org/u?57fc631d
http://www.nessus.org/u?77fa225e
http://www.nessus.org/u?86fbece7
http://www.nessus.org/u?8827591f
http://www.nessus.org/u?b33103b8
http://www.nessus.org/u?b5d392e9
http://www.nessus.org/u?c1aae52c
Plugin Details
Severity: Medium
ID: 376621
File Name: unity_linux_UTSA-2026-150498.nasl
Version: 1.1
Type: Local
Published: 11/5/2026
Updated: 11/5/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.2
Percentile: 51.15
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2025-12084
CVSS v3
Risk Factor: Medium
Base Score: 5.3
Temporal Score: 4.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6.3
Threat Score: 1.7
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/UOS-Server/release, Host/UOS-Server/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 11/5/2026
Vulnerability Publication Date: 12/3/2025
Reference Information
CVE: CVE-2025-12084