1. Ubuntu Security Notices
  2. USN-6366-1

USN-6366-1: PostgreSQL vulnerability

Publication date

13 September 2023

Overview

PostgreSQL could be made to execute commands as the bootstrap superuser.

Releases

Packages

Details

It was discovered that PostgreSQL incorrectly handled certain extension
script substitutions. An attacker having database-level CREATE privileges
can use this issue to execute arbitrary code as the bootstrap superuser.

It was discovered that PostgreSQL incorrectly handled certain extension
script substitutions. An attacker having database-level CREATE privileges
can use this issue to execute arbitrary code as the bootstrap superuser.

Update instructions

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
16.04 xenial postgresql-9.5 –  9.5.25-0ubuntu0.16.04.1+esm5  
postgresql-client-9.5 –  9.5.25-0ubuntu0.16.04.1+esm5  

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References

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