USN-5906-1: PostgreSQL vulnerability

2 March 2023

PostgreSQL could be made to expose sensitive information over the network.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

Details

Jacob Champion discovered that the PostgreSQL client incorrectly handled
Kerberos authentication. If a user or automated system were tricked into
connecting to a malicious server, a remote attacker could possibly use this
issue to obtain sensitive information.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04

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