[Bug 48980] New: buffer-overflow in Open/Save dialogs

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48980

Bug ID: 48980
           Summary: buffer-overflow in Open/Save dialogs
           Product: Wine
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: comdlg32
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 66956
  --> https://bugs.winehq.org/attachment.cgi?id=66956
Trace

Problem triggered using Wine for ReactOS

See ticket : https://jira.reactos.org/browse/CORE-15288

Open Notepad. Save As => type aaaaaaaa.txt 
Copy & paste "aaaaaaaaaaaaaaaaaaaaaaaaa" block
keep CTRL+V pressed (long time) until Text box is "blank".
Click on save => Crash

Same procedure with File>Open leads to same result