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Published on September 15th, 2023 📆 | 7000 Views ⚑


Ubuntu Security Notice USN-6366-1 – Torchsec


Ubuntu Security Notice USN-6366-1
September 13, 2023

postgresql-9.5 vulnerability

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

- Ubuntu 16.04 LTS (Available with Ubuntu Pro)


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

Software Description:
- postgresql-9.5: Object-relational SQL database


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:

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

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
postgresql-9.5 9.5.25-0ubuntu0.16.04.1+esm5
postgresql-client-9.5 9.5.25-0ubuntu0.16.04.1+esm5

After a standard system update you need to restart PostgreSQL to make
all the necessary changes.


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