========================================================================== Ubuntu Security Notice USN-6538-1 December 06, 2023
postgresql-12, postgresql-14, postgresql-15 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in PostgreSQL. Software Description: - postgresql-15: Object-relational SQL database - postgresql-14: Object-relational SQL database - postgresql-12: Object-relational SQL database Details: 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) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: postgresql-15 15.5-0ubuntu0.23.10.1 postgresql-client-15 15.5-0ubuntu0.23.10.1 Ubuntu 23.04: postgresql-15 15.5-0ubuntu0.23.04.1 postgresql-client-15 15.5-0ubuntu0.23.04.1 Ubuntu 22.04 LTS: postgresql-14 14.10-0ubuntu0.22.04.1 postgresql-client-14 14.10-0ubuntu0.22.04.1 Ubuntu 20.04 LTS: postgresql-12 12.17-0ubuntu0.20.04.1 postgresql-client-12 12.17-0ubuntu0.20.04.1 This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart PostgreSQL to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6538-1 CVE-2023-5868, CVE-2023-5869, CVE-2023-5870 Package Information: https://launchpad.net/ubuntu/+source/postgresql-15/15.5-0ubuntu0.23.10.1 https://launchpad.net/ubuntu/+source/postgresql-15/15.5-0ubuntu0.23.04.1 https://launchpad.net/ubuntu/+source/postgresql-14/14.10-0ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/postgresql-12/12.17-0ubuntu0.20.04.1
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