Detections
Analytics
Unity Linux 20.1060a / 20.1070a Security Update: tigervnc (UTSA-2025-986126)
medium Nessus Plugin ID 268026
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-2025-986126 advisory.A flaw was found in the X Rendering extension's handling of animated cursors. If a client provides no cursors, the server assumes at least one is present, leading to an out-of-bounds read and potential crash.
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 tigervnc package.See Also
https://access.redhat.com/security/cve/CVE-2025-49175
Plugin Details
Severity: Medium
ID: 268026
File Name: unity_linux_UTSA-2025-986126.nasl
Version: 1.2
Type: local
Published: 10/7/2025
Updated: 10/10/2025
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.0
CVSS v2
Risk Factor: Medium
Base Score: 6.2
Temporal Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:C
CVSS Score Source: CVE-2025-49175
CVSS v3
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 5.3
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/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: 9/9/2025
Vulnerability Publication Date: 6/17/2025
Reference Information
CVE: CVE-2025-49175