1. Ubuntu Security Notices
  2. USN-4735-1

USN-4735-1: PostgreSQL vulnerability

Publication date

15 February 2021

Overview

PostgreSQL could be made to expose sensitive information.

Releases

Packages

Details

Heikki Linnakangas discovered that PostgreSQL incorrectly leaked values of
denied columns when handling certain errors. A remote attacker could
possibly use this issue to obtain sensitive information.

Heikki Linnakangas discovered that PostgreSQL incorrectly leaked values of
denied columns when handling certain errors. A remote attacker could
possibly use this issue to obtain sensitive information.

Update instructions

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.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.10 groovy postgresql-12 –  12.6-0ubuntu0.20.10.1
20.04 focal postgresql-12 –  12.6-0ubuntu0.20.04.1

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References

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