@Shaun - congrats for selecting a 1980's PC as your headline picture. Obviously you have a lot of sympathy for IBM ;-)
So all I can see is a business-as-usual security update that fixes a vulnerability as it happens frequently across all software and vendors. (When was the last time your android or iOS phone received an update?).
Much ado about nothing. And Db2 clients will be happy that the problem was identified and corrected.