12 applications.12 applications.
2,501 releases2,501 releases beneath them.beneath them.

Understory reads the Meridian Systems estate as a graph and answers one shape of question: which applications can reach a given flaw, by what route, and which single change cuts the most routes. Every one of the 12 reaches at least one of 22 open advisories, almost all of it through code nobody on these teams chose.