This update for freetds to 1.1.36 fixes the following issues: Security issue fixed: - CVE-2019-13508: Fixed a heap overflow that could have been caused by malicious servers sending UDT types over protocol version 5.0 . Non-security issues fixed: - Enabled Kerberos support - Version update to 1.1.36: * Default TDS protocol version is now "auto" * Improved UTF-8 performances * TDS Pool Server is enabled * MARS support is enabled * NTLMv2 is enabled * See NEWS and ChangeLog for a complete list of changes