A PostgreSQL security advisory has been published for Arch Linux

Arch Linux Security Advisory ASA-201803-9
=========================================

Severity: High
Date : 2018-03-11
CVE-ID : CVE-2018-1058
Package : postgresql
Type : privilege escalation
Remote : Yes
Link : https://security.archlinux.org/AVG-643

Summary
=======

The package postgresql before version 10.3-1 is vulnerable to privilege
escalation.

Resolution
==========

Upgrade to 10.3-1.

# pacman -Syu "postgresql>=10.3-1"

The problem has been fixed upstream in version 10.3.

Workaround
==========

None.

Description
===========

A flaw was found in the way Postgresql allowed a user to modify the
behavior of a query for other users. An attacker with a user account
could use this flaw to execute code with the permissions of superuser
in the database. Versions 9.3 through 10 are affected.

Impact
======

A remote attacker with a valid user account is able to execute code
with permissions of a superuser of the database.

References
==========

https://www.postgresql.org/about/news/1834/
https://wiki.postgresql.org/wiki/A_Guide_to_CVE-2018-1058:_Protect_Your_Search_Path
https://security.archlinux.org/CVE-2018-1058

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