A postgresql-11 security update has been released for Debian GNU/Linux 10 LTS to address several vulnerabilities.

[SECURITY] [DLA 3651-1] postgresql-11 security update

- -------------------------------------------------------------------------
Debian LTS Advisory DLA-3651-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
November 14, 2023 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : postgresql-11
Version : 11.22-0+deb10u1
CVE ID : CVE-2023-5868 CVE-2023-5869 CVE-2023-5870

Several vulnerabilities have been discovered in the PostgreSQL
database system.

CVE-2023-5868

Jingzhou Fu discovered a memory disclosure flaw in aggregate
function calls.

CVE-2023-5869

Pedro Gallegos reported integer overflow flaws resulting in buffer
overflows in the array modification functions.

CVE-2023-5870

Hemanth Sandrana and Mahendrakar Srinivasarao reported that the
pg_cancel_backend role can signal certain superuser processes,
potentially resulting in denial of service.

For Debian 10 buster, these problems have been fixed in version
11.22-0+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