Detections
Analytics
Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: libsoup (UTSA-2026-147026)
high Nessus Plugin ID 373787
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-2026-147026 advisory.A flaw was found in libsoup. When handling an incoming WebSocket Pong frame, SoupWebsocketConnection emitted the ::pong signal with a GByteArray pointer even though the signal is declared to pass a GBytes.
Applications connecting a handler that follows the documented GBytes API can trigger heap corruption or a crash upon receiving a crafted Pong.
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 libsoup package.See Also
Plugin Details
Severity: High
ID: 373787
File Name: unity_linux_UTSA-2026-147026.nasl
Version: 1.2
Type: Local
Published: 10/29/2026
Updated: 10/30/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
Percentile: 96.19
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 6.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C
CVSS Score Source: CVE-2026-102556
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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: 10/30/2026
Vulnerability Publication Date: 9/29/2026
Reference Information
CVE: CVE-2026-102556
IAVA: 2026-A-1151