Advisory Published

USN-6104-1: PostgreSQL vulnerabilities

First published: Wed May 24 2023(Updated: )

Alexander Lakhin discovered that PostgreSQL incorrectly handled certain CREATE privileges. An authenticated user could possibly use this issue to execute arbitrary code as the bootstrap supervisor. (CVE-2023-2454) Wolfgang Walther discovered that PostgreSQL incorrectly handled certain row security policies. An authenticated user could possibly use this issue to complete otherwise forbidden reads and modifications. (CVE-2023-2455)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/postgresql-15<15.3-0ubuntu0.23.04.1
15.3-0ubuntu0.23.04.1
=23.04
All of
ubuntu/postgresql-client-15<15.3-0ubuntu0.23.04.1
15.3-0ubuntu0.23.04.1
=23.04
All of
ubuntu/postgresql-14<14.8-0ubuntu0.22.10.1
14.8-0ubuntu0.22.10.1
=22.10
All of
ubuntu/postgresql-client-14<14.8-0ubuntu0.22.10.1
14.8-0ubuntu0.22.10.1
=22.10
All of
ubuntu/postgresql-14<14.8-0ubuntu0.22.04.1
14.8-0ubuntu0.22.04.1
=22.04
All of
ubuntu/postgresql-client-14<14.8-0ubuntu0.22.04.1
14.8-0ubuntu0.22.04.1
=22.04
All of
ubuntu/postgresql-12<12.15-0ubuntu0.20.04.1
12.15-0ubuntu0.20.04.1
=20.04
All of
ubuntu/postgresql-client-12<12.15-0ubuntu0.20.04.1
12.15-0ubuntu0.20.04.1
=20.04
All of
ubuntu/postgresql-10<10.23-0ubuntu0.18.04.2
10.23-0ubuntu0.18.04.2
=18.04
All of
ubuntu/postgresql-client-10<10.23-0ubuntu0.18.04.2
10.23-0ubuntu0.18.04.2
=18.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for these PostgreSQL vulnerabilities?

    The vulnerability ID for these PostgreSQL vulnerabilities is CVE-2023-2454.

  • What is the severity of CVE-2023-2454?

    The severity of CVE-2023-2454 is not specified.

  • How can an attacker exploit CVE-2023-2454?

    An attacker can exploit CVE-2023-2454 by executing arbitrary code as the bootstrap supervisor.

  • Which versions of PostgreSQL are affected by CVE-2023-2454?

    Versions 15.3-0ubuntu0.23.04.1, 14.8-0ubuntu0.22.10.1, 14.8-0ubuntu0.22.04.1, 12.15-0ubuntu0.20.04.1, and 10.23-0ubuntu0.18.04.2 of PostgreSQL are affected by CVE-2023-2454.

  • Where can I find more information about these PostgreSQL vulnerabilities?

    You can find more information about these PostgreSQL vulnerabilities on the Ubuntu Security Notices page.

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