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USN-6656-2: PostgreSQL vulnerability

12 March 2024

PostgreSQL could be made to run arbitrary SQL.

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Releases

Packages

Details

USN-6656-1 fixed several vulnerabilities in PostgreSQL. This update provides
the corresponding updates for Ubuntu 16.04 LTS

Original advisory details:

It was discovered that PostgreSQL incorrectly handled dropping privileges
when handling REFRESH MATERIALIZED VIEW CONCURRENTLY commands. If a user or
automatic system were tricked into running a specially crafted command, a
remote attacker could possibly use this issue to execute arbitrary SQL
functions.

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 16.04

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

References

Related notices

  • USN-6656-1: postgresql-server-dev-15, postgresql-client-15, postgresql-server-dev-14, postgresql-server-dev-12, libpq-dev, libpgtypes3, libecpg6, postgresql-plpython3-15, libecpg-compat3, postgresql-doc-12, postgresql-plperl-14, postgresql-pltcl-12, postgresql-plpython3-12, postgresql-pltcl-15, postgresql-plperl-12, postgresql-12, libpq5, postgresql-pltcl-14, postgresql-client-12, postgresql-client-14, postgresql-14, postgresql-plpython3-14, postgresql-doc-15, libecpg-dev, postgresql-15, postgresql-doc-14, postgresql-plperl-15