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postgresql

Missing validation of type of input in PostgreSQL intarray extension selectivity estimator function allows an object creator to execute arbitrary code as the operating system user running the database.  Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

The vulnerability CVE-2026-2004 in PostgreSQL arises from improper validation of the type of input in the intarray extension's selectivity estimator function. This flaw enables an attacker who can create objects in the database to execute arbitrary code as the OS user running the database process. The issue affects PostgreSQL versions before 18.2, 17.8, 16.12, 15.16, and 14.21. Red Hat Product Security has published advisories and released updated packages that fix this vulnerability along with related issues. The CVSS v3.1 base score is 8.8, indicating a high severity with network attack vector, low attack complexity, requiring privileges, no user interaction, and high impact on confidentiality, integrity, and availability.

Detailed information about Red Hat Security Advisory: postgresql security update affecting Red Hat Product Security Red Hat. Get real-time updates, technical de

Improper Validation of Specified Type of Input in PostgreSQL (CVE-2026-2004) - Live Threat Intelligence - Threat Radar | OffSeq.com

PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code (CVE-2026-2004)

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