> This bug is caused by not sanity checking the data returned by a call to the 
> Windows Clipboard `IDataObject::GetData` method. When requesting a file 
> descriptor with a format of either `CFSTR_FILEDESCRIPTORA` or 
> `CFSTR_FILEDESCRIPTORW`, which returns a list of file names, the first word 
> of the returned data buffer is supposed to be the number of items that 
> follow. Applications can put data on the clipboard in such a way that it will 
> respond to a request to return the list of files from the clipboard with data 
> that isn't formatted correctly, so we can't assume that the first word is a 
> valid count.
> 
> The fix is to check the returned buffer size against the item count. I added 
> a regression test that fails before and passes after the fix.

Kevin Rushforth has updated the pull request incrementally with one additional 
commit since the last revision:

  Update check to test that bufferSize is exactly the right size

-------------

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/662/files
  - new: https://git.openjdk.java.net/jfx/pull/662/files/abcd51c4..ff5f9c1a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jfx&pr=662&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jfx&pr=662&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jfx/pull/662.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/662/head:pull/662

PR: https://git.openjdk.java.net/jfx/pull/662

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