https://bugs.winehq.org/show_bug.cgi?id=54034
--- Comment #12 from Rafał Mużyło galtgendo@o2.pl --- TBH, I haven't tested the memleak in quite awhile, even though I expect it to still be a problem.
The crash was moved into bug 55960, which was marked as a dupe of bug 48559, which is still pending, though the patch there fixes the crashes as my buffer size hack did.