Care to share it? Still trying to convince my provider to go this route...

I won't, now, because I will catch shit for suggesting it, it seems.

But since one of the main ways this vulnerability can be triggered (by causing out of memory) involves multipart POSTs, I have found it useful to stop multipart POSTs ever reaching the vulnerable application, which you can do in an Nginx proxy.

It is only buying me time, but unfortunately time is what I need, since my application must keep running, but cannot be run on any supported release.