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USN-5645-1: PostgreSQL vulnerabilities

28 September 2022

Several security issues were fixed in PostgreSQL.

Releases

Packages

Details

Jacob Champion discovered that PostgreSQL incorrectly handled SSL
certificate verification and encryption. A remote attacker could possibly
use this issue to inject arbitrary SQL queries when a connection is first
established. (CVE-2021-23214)

Tom Lane discovered that PostgreSQL incorrect handled certain array
subscripting calculations. An authenticated attacker could possibly use
this issue to overwrite server memory and escalate privileges.
(CVE-2021-32027)

Update instructions

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

Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-5145-1: postgresql-13, postgresql-10, postgresql-plpython3-13, libecpg-compat3, postgresql-client-12, postgresql-pltcl-10, postgresql-server-dev-10, libecpg-dev, libpq-dev, libpgtypes3, postgresql-12, postgresql-plperl-12, postgresql-plpython3-12, postgresql-plperl-13, postgresql-client-13, postgresql-doc-12, postgresql-pltcl-13, libecpg6, postgresql-doc-10, postgresql-client-10, postgresql-server-dev-12, postgresql-plpython3-10, postgresql-server-dev-13, libpq5, postgresql-doc-13, postgresql-plpython-10, postgresql-pltcl-12, postgresql-plperl-10
  • USN-4972-1: postgresql-13, postgresql-10, postgresql-plpython3-13, libecpg-compat3, postgresql-client-12, postgresql-pltcl-10, postgresql-server-dev-10, libecpg-dev, libpq-dev, libpgtypes3, postgresql-12, postgresql-plperl-12, postgresql-plpython3-12, postgresql-plperl-13, postgresql-client-13, postgresql-doc-12, postgresql-pltcl-13, libecpg6, postgresql-doc-10, postgresql-client-10, postgresql-server-dev-12, postgresql-plpython3-10, postgresql-server-dev-13, libpq5, postgresql-doc-13, postgresql-plpython-10, postgresql-pltcl-12, postgresql-plperl-10