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Debian dla-4806 : postgresql-15-pgextwlist - security update

high Nessus Plugin ID 353438

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 12 host has a package installed that is affected by a vulnerability as referenced in the dla-4806 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4806-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz September 30, 2026 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : pgextwlist Version : 1.15-2+deb12u1 CVE ID : CVE-2023-39417


 An issue has been found in pgextwlist, a Postgres extensions that implements extension whitelisting.
 The issue is related to substituting extension schemas or owners matching [$'\]. Such substitutions are now simply rejected.



 For Debian 12 bookworm, this problem has been fixed in version 1.15-2+deb12u1.

 We recommend that you upgrade your pgextwlist packages.

 For the detailed security status of pgextwlist please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/pgextwlist

 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the postgresql-15-pgextwlist packages.

See Also

https://packages.debian.org/source/bookworm/pgextwlist

https://security-tracker.debian.org/tracker/CVE-2023-39417

https://security-tracker.debian.org/tracker/source-package/pgextwlist

Plugin Details

Severity: High

ID: 353438

File Name: debian_DLA-4806.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/30/2026

Updated: 9/30/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.48

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-39417

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:postgresql-15-pgextwlist

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2026

Vulnerability Publication Date: 8/10/2023

Reference Information

CVE: CVE-2023-39417