{"schema_version": "1.7.0", "id": "RLSA-2026:3887", "modified": "2026-03-06T06:07:37.054212Z", "published": "2026-03-06T06:05:39.257934Z", "upstream": ["CVE-2026-2004", "CVE-2026-2005", "CVE-2026-2006"], "summary": "Important: postgresql16 security update", "details": "PostgreSQL is an advanced Object-Relational database management system (DBMS). The base postgresql package contains the client programs that you'll need to access a PostgreSQL DBMS server, as well as HTML documentation for the whole system.  These client programs can be located on the same machine as the PostgreSQL server, or on a remote machine that accesses a PostgreSQL server over a network connection.  The PostgreSQL server can be found in the postgresql-server sub-package.\n\nSecurity Fix(es):\n\n* postgresql: PostgreSQL missing validation of multibyte character length executes arbitrary code (CVE-2026-2006)\n\n* postgresql: PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code (CVE-2026-2004)\n\n* postgresql: PostgreSQL pgcrypto heap buffer overflow executes arbitrary code (CVE-2026-2005)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "postgresql16", "purl": "pkg:rpm/rocky-linux/postgresql16?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:16.13-1.el10_1"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:3887"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439326"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439324"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439325"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}