BUG#36577957: Update charset/collation description indicate this is 1…

…6 bits

This patch fixes the issue where Connector/Python violates the MySQL Connection
Protocol while authenticating or setting up SSL before entering the authentication
phase by setting 2 bytes instead of 1 for charset option in the response packet.

Change-Id: Ib2ddfad4acdd119255f44ee0b56410429b9e86f8

CHANGES.txt

@@ -19,6 +19,7 @@ v9.1.0
 - WL#16307: Remove Python 3.8 support
 - WL#16306: Add support for Python 3.13
 - BUG#37013057: mysql-connector-python Parameterized query SQL injection
+- BUG#36577957: Update charset/collation description indicate this is 16 bits
 
 v9.0.0
 ======

mysql-connector-python/lib/mysql/connector/protocol.py

@@ -428,8 +428,8 @@ def make_auth_ssl(
             [
                 utils.int4store(client_flags),
                 utils.int4store(max_allowed_packet),
-                utils.int2store(charset),
-                b"\x00" * 22,
+                utils.int1store(charset),
+                b"\x00" * 23,
             ]
         )