Debian dla-4422 : pgbouncer - security update

high Nessus Plugin ID 280099

Synopsis

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

Description

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dla-4422 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4422-1 [email protected] https://www.debian.org/lts/security/ Andreas Henriksson December 27, 2025 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : pgbouncer Version : 1.15.0-1+deb11u2 CVE ID : CVE-2025-12819 Debian Bug :

PgBouncer is a lightweight connection pooler for PostgreSQL.

CVE-2025-12819

Untrusted search path in auth_query connection handler in PgBouncer before 1.25.1 allows an unauthenticated attacker to execute arbitrary SQL during authentication via a malicious search_path parameter in the StartupMessage.

For Debian 11 bullseye, this problem has been fixed in version 1.15.0-1+deb11u2.

We recommend that you upgrade your pgbouncer packages.

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

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 Attachment:
signature.asc Description: PGP signature

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 pgbouncer packages.

Plugin Details

Severity: High

ID: 280099

File Name: debian_DLA-4422.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 12/27/2025

Updated: 12/27/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2025-12819

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/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:11.0, p-cpe:/a:debian:debian_linux:pgbouncer

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/27/2025

Vulnerability Publication Date: 12/3/2025

Reference Information

CVE: CVE-2025-12819

Detections

Analytics