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A security patch changed them today, so close the coverage gap now. Test that buffer overrun is avoided when pg_mblen*() requires more than the number of bytes remaining. This does not cover the calls in dict_thesaurus.c or in dict_synonym.c. That code is straightforward. To change that code's input, one must have access to modify installed OS files, so low-privilege users are not a threat. Testing this would likewise require changing installed share/postgresql/tsearch_data, which was enough of an obstacle to not bother. Security: CVE-2026-2006 Backpatch-through: 14 Co-authored-by: Thomas Munro <thomas.munro@gmail.com> Co-authored-by: Noah Misch <noah@leadboat.com> Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.