Connector/C 3.3.21 Release Notes

Release notes for MariaDB Connector/C 3.3.21, a Stable (GA) release published 29 September 2026.

The most recent release of MariaDB Connector/C is: 3.4.11

Download Connector/C 3.4.11

Download Release Notes Changelog About MariaDB Connector/C

Release date: 29 Sep 2026

This is a Stable (GA) release of MariaDB Connector/C, formerly known as MariaDB Client Library for C.

For a description of this library see the MariaDB Connector/C page.

Notable Items

• MariaDB Connector/C 3.3.21 is a standalone release and was not shipped within MariaDB Community Server releases.

Issues Fixed

• CONC-821: Avoid resetting length pointer for variable-length types in mysql_stmt_bind_result

• CONC-842: Fix incomplete source bounds check and state desync in mthd_my_read_rows

• CONC-850: Fix out-of-bounds reads in parse_server_packet (GSSAPI)

Changelog

For a list of changes made in this release, with links to detailed information on each push, see the changelog.

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