A postgresql-11 security update has been released for Debian GNU/Linux 10 LTS to address a SQL Injection vulnerability.

[SECURITY] [DLA 3600-1] postgresql-11 security update

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Debian LTS Advisory DLA-3600-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Utkarsh Gupta
October 04, 2023 https://wiki.debian.org/LTS
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Package : postgresql-11
Version : 11.21-0+deb10u2
CVE ID : CVE-2023-39417

A SQL Injection vulnerability was found in PostgreSQL, an
object-relational SQL database management system.

An extension script is vulnerable if it uses @extowner@, @extschema@,
or @extschema:...@ inside a quoting construct (dollar quoting, '', or
"").

For Debian 10 buster, this problem has been fixed in version
11.21-0+deb10u2.

We recommend that you upgrade your postgresql-11 packages.

For the detailed security status of postgresql-11 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/postgresql-11

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