diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 96471a06d..89eb529cd 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,9 @@
+2012-12-31  Christopher Faylor  <me.cygwin2012@cgf.cx>
+
+	* dtable.cc (dtable::dup3): Fix bounds checking for valid newfd.
+	* syscalls.cc (dup2): Ditto.
+	* winsup.h (events_terminate): Delete obsolete function declaration.
+
 2012-12-28  Christopher Faylor  <me.cygwin2012@cgf.cx>
 
 	* DevNotes: Add entry cgf-000019.
diff --git a/winsup/cygwin/dtable.cc b/winsup/cygwin/dtable.cc
index 2a9f8b078..0b6cee376 100644
--- a/winsup/cygwin/dtable.cc
+++ b/winsup/cygwin/dtable.cc
@@ -728,7 +728,7 @@ dtable::dup3 (int oldfd, int newfd, int flags)
       set_errno (EBADF);
       goto done;
     }
-  if (newfd < 0)
+  if (newfd >= OPEN_MAX_MAX || newfd < 0)
     {
       syscall_printf ("new fd out of bounds: %d", newfd);
       set_errno (EBADF);
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 43ecf3a0f..fe89f8493 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -142,7 +142,7 @@ extern "C" int
 dup2 (int oldfd, int newfd)
 {
   int res;
-  if (newfd >= OPEN_MAX_MAX)
+  if (newfd >= OPEN_MAX_MAX || newfd < 0)
     {
       set_errno (EBADF);
       res = -1;
diff --git a/winsup/cygwin/winsup.h b/winsup/cygwin/winsup.h
index 0638b44f2..21082c6e3 100644
--- a/winsup/cygwin/winsup.h
+++ b/winsup/cygwin/winsup.h
@@ -185,7 +185,6 @@ void uinfo_init ();
 
 /* various events */
 void events_init ();
-void events_terminate ();
 
 void __stdcall close_all_files (bool = false);