Detections
Analytics
Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: postgresql-13 (UTSA-2026-017348)
medium Nessus Plugin ID 313564
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-2026-017348 advisory.A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack.
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 postgresql-13 package.See Also
http://www.nessus.org/u?918d5784
Plugin Details
Severity: Medium
ID: 313564
File Name: unity_linux_UTSA-2026-017348.nasl
Version: 1.1
Type: Local
Published: 5/9/2026
Updated: 5/9/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.4
Vector: CVSS2#AV:N/AC:H/Au:M/C:N/I:N/A:C
CVSS Score Source: CVE-2023-5870
CVSS v3
Risk Factor: Medium
Base Score: 4.4
Temporal Score: 3.9
Vector: CVSS:3.0/AV:N/AC:H/PR:H/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/UOS-Server/release, Host/UOS-Server/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 5/9/2026
Vulnerability Publication Date: 11/9/2023
Reference Information
CVE: CVE-2023-5870