Headline
CVE-2023-39418
A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user could store such rows.
Related news
Red Hat Security Advisory 2023-7885-03 - An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include integer overflow and remote SQL injection vulnerabilities.
Red Hat Security Advisory 2023-7884-03 - An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 8. Issues addressed include integer overflow and remote SQL injection vulnerabilities.
Red Hat Security Advisory 2023-7883-03 - An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include integer overflow and remote SQL injection vulnerabilities.
Red Hat Security Advisory 2023-7785-03 - An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 9. Issues addressed include integer overflow and remote SQL injection vulnerabilities.
An issue exists in SoftIron HyperCloud where compute nodes may come online immediately without following the correct initialization process. In this instance, workloads may be scheduled on these nodes and deploy to a failed or erroneous state, which impacts the availability of these workloads that may be deployed during this time window. This issue impacts HyperCloud versions from 2.0.0 to before 2.0.3.
Debian Linux Security Advisory 5553-1 - Several vulnerabilities have been discovered in the PostgreSQL database system.
Ubuntu Security Notice 6296-1 - It was discovered that PostgreSQL incorrectly handled certain extension script substitutions. An attacker having database-level CREATE privileges can use this issue to execute arbitrary code as the bootstrap superuser. It was discovered that PostgreSQL incorrectly handled the MERGE command. A remote attacker could possibly use this issue to bypass certain UPDATE and SELECT policies. This issue only affected Ubuntu 23.04.