==========================================================================
Ubuntu Security Notice USN-7520-1
May 20, 2025

postgresql-12, postgresql-14, postgresql-16 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

PostgreSQL could be made to crash if it received specially crafted network
traffic.

Software Description:
- postgresql-16: Object-relational SQL database
- postgresql-14: Object-relational SQL database
- postgresql-12: Object-relational SQL database

Details:

It was discovered that PostgreSQL incorrectly handled the GB18030 encoding.
An attacker could possibly use this issue to cause PostgreSQL to crash,
resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.10
  postgresql-16                   16.9-0ubuntu0.24.10.1
  postgresql-client-16            16.9-0ubuntu0.24.10.1

Ubuntu 24.04 LTS
  postgresql-16                   16.9-0ubuntu0.24.04.1
  postgresql-client-16            16.9-0ubuntu0.24.04.1

Ubuntu 22.04 LTS
  postgresql-14                   14.18-0ubuntu0.22.04.1
  postgresql-client-14            14.18-0ubuntu0.22.04.1

Ubuntu 20.04 LTS
  postgresql-12                   12.22-0ubuntu0.20.04.4
  postgresql-client-12            12.22-0ubuntu0.20.04.4

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart PostgreSQL to
make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7520-1
  CVE-2025-4207

Package Information:
  https://launchpad.net/ubuntu/+source/postgresql-16/16.9-0ubuntu0.24.10.1
  https://launchpad.net/ubuntu/+source/postgresql-16/16.9-0ubuntu0.24.04.1
  https://launchpad.net/ubuntu/+source/postgresql-14/14.18-0ubuntu0.22.04.1
  https://launchpad.net/ubuntu/+source/postgresql-12/12.22-0ubuntu0.20.04.4

Attachment: OpenPGP_signature.asc
Description: OpenPGP digital signature



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