Advisory Published

USN-6570-1: PostgreSQL vulnerabilities

First published: Tue Jan 09 2024(Updated: )

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-9.5<9.5.25-0ubuntu0.16.04.1+esm6
9.5.25-0ubuntu0.16.04.1+esm6
Ubuntu Ubuntu=16.04
All of
ubuntu/postgresql-client-9.5<9.5.25-0ubuntu0.16.04.1+esm6
9.5.25-0ubuntu0.16.04.1+esm6
Ubuntu Ubuntu=16.04

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Child vulnerabilities

(Contains the following vulnerabilities)

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