There are a few potential "script" related issues. I believe I mentioned that I don't trust the TCL build since I know I've found at least one issue with it so I've upgraded to the latest version and recompiled everything for the next release. Hopefully this will help.
Secondly 0x7 addresses include windows library routines. Obviously the problem isn't the functions themselves, but rather bad arguments to them, but how and why is still beyond me. Of course if the TCL library was corrupting the heap this would go a long way to explaining problems.
Empirically sites running .exe scripts seem far more stable than pure TCL scripts although this is just my personal observation. Either this means the bug is in the ioFTPD functions exported to TCL or inside TCL itself. Since I know I've found one problem in TCL itself I'm tempted to blame it right now. I probably should setup ioSFV locally though and run tests with it since it uses a lot of the ioFTPD exported functions...
Hopefully I can get the 6.3 release with the new error handling code out soon.
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