there were many assert bugs..
hense why core were real quick to advertise ways to attack it. because they knew of the issues in 2016
There were 2 assert bugs (actually there were WAY more than that as seen in the article I linked, but only 2 were 'exploited'). The other bug was 6 lines below the xthin bug. Neither of them affected Core....
Show me the proof the issue existed in Core
Show me where Core patched the issue