[Bug 54564] New: Rich Edit crashes when Ctrl+Right is pressed at past the final paragraph

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54564

Bug ID: 54564
           Summary: Rich Edit crashes when Ctrl+Right is pressed at past
                    the final paragraph
           Product: Wine
           Version: 8.2
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: richedit
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail]
      Distribution: ---

Rich Edit crashes with NULL dereference when Ctrl+Right is pressed at past the
final paragraph.

Steps to reproduce:

1. Open Wordpad.
2. Press "A".
3. Press Home or Left.
4. Press Ctrl+Right.
5. Press Ctrl+Right.

Expected behaviour:

Wine doesn't crash.

Actual behaviour:

Wine crashes inside `para_next`, because `ME_MoveCursorWords` tries to fetch
`next_para` of NULL paragraph pointer.