A postgresql-11 security update has been released for Debian GNU/Linux 11 to address an issue where an attacker could leverage this to run arbitrary commands as another user.

DLA 3072-1: postgresql-11 security update

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Debian LTS Advisory DLA-3072-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
August 11, 2022   https://wiki.debian.org/LTS
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Package : postgresql-11
Version : 11.17-0+deb10u1
CVE ID : CVE-2022-2625

Sven Klemm found that some extensions in the PostgreSQL database system
could replace objects not belonging to the extension. An attacker could
leverage this to run arbitrary commands as another user.

For Debian 10 buster, this problem has been fixed in version
11.17-0+deb10u1.

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