[jimtabor] 73470: [User32] - Patch by Roman Pi?l : Fix buffer overflow in EDIT_EM_ReplaceSel().

Author: jimtabor
Date: Mon Dec 19 16:37:44 2016
New Revision: 73470

URL: http://svn.reactos.org/svn/reactos?rev=73470&view=rev
Log:
[User32]
- Patch by Roman Pi?l : Fix buffer overflow in EDIT_EM_ReplaceSel().

Modified:
    trunk/reactos/win32ss/user/user32/controls/edit.c

Modified: trunk/reactos/win32ss/user/user32/controls/edit.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/user32/control...
==============================================================================
--- trunk/reactos/win32ss/user/user32/controls/edit.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/user32/controls/edit.c	[iso-8859-1] Mon Dec 19 16:37:44 2016
@@ -2644,7 +2644,7 @@
    	if (es->buffer_limit < (tl - (e-s)))
    		strl = 0;
    	else
-			strl = es->buffer_limit - (tl - (e-s));
+			strl = min(strl, es->buffer_limit - (tl - (e-s)));
    }

if (!EDIT_MakeFit(es, tl - (e - s) + strl))