Advisory Published

USN-6538-1: PostgreSQL vulnerabilities

First published: Wed Dec 06 2023(Updated: )

Jingzhou Fu discovered that PostgreSQL incorrectly handled certain unknown arguments in aggregate function calls. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2023-5868) Pedro Gallegos discovered that PostgreSQL incorrectly handled modifying certain SQL array values. A remote attacker could use this issue to obtain sensitive information, or possibly execute arbitrary code. (CVE-2023-5869) Hemanth Sandrana and Mahendrakar Srinivasarao discovered that PostgreSQL allowed the pg_signal_backend role to signal certain superuser processes, contrary to expectations. (CVE-2023-5870)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/postgresql-15<15.5-0ubuntu0.23.10.1
15.5-0ubuntu0.23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/postgresql-client-15<15.5-0ubuntu0.23.10.1
15.5-0ubuntu0.23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/postgresql-15<15.5-0ubuntu0.23.04.1
15.5-0ubuntu0.23.04.1
Ubuntu Ubuntu=23.04
All of
ubuntu/postgresql-client-15<15.5-0ubuntu0.23.04.1
15.5-0ubuntu0.23.04.1
Ubuntu Ubuntu=23.04
All of
ubuntu/postgresql-14<14.10-0ubuntu0.22.04.1
14.10-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/postgresql-client-14<14.10-0ubuntu0.22.04.1
14.10-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/postgresql-12<12.17-0ubuntu0.20.04.1
12.17-0ubuntu0.20.04.1
Ubuntu Ubuntu=20.04
All of
ubuntu/postgresql-client-12<12.17-0ubuntu0.20.04.1
12.17-0ubuntu0.20.04.1
Ubuntu Ubuntu=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this PostgreSQL vulnerability?

    The vulnerability ID for this PostgreSQL vulnerability is CVE-2023-5868.

  • What is the potential impact of this vulnerability?

    The potential impact of this vulnerability is that a remote attacker could possibly obtain sensitive information.

  • What versions of PostgreSQL are affected by this vulnerability?

    Versions 12, 14, and 15 of PostgreSQL are affected by this vulnerability.

  • Are there any fixes available for this vulnerability?

    Yes, fixes are available for this vulnerability.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability at the following references: [CVE-2023-5869](https://ubuntu.com/security/CVE-2023-5869), [CVE-2023-5870](https://ubuntu.com/security/CVE-2023-5870), [CVE-2023-5868](https://ubuntu.com/security/CVE-2023-5868).

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