1 files changed, 3 insertions, 1 deletions
diff --git a/dvbosd.c b/dvbosd.c
index 458ec9ce..da58d99c 100644
--- a/dvbosd.c
+++ b/dvbosd.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbosd.c 1.27 2005/05/22 10:57:45 kls Exp $
+ * $Id: dvbosd.c 1.28 2005/12/18 12:56:55 kls Exp $
  */
 
 #include "dvbosd.h"
@@ -88,6 +88,8 @@ eOsdError cDvbOsd::CanHandleAreas(const tArea *Areas, int NumAreas)
             return oeBppNotSupported;
          if ((Areas[i].Width() & (8 / Areas[i].bpp - 1)) != 0)
             return oeWrongAlignment;
+         if (Areas[i].Width() < 1 || Areas[i].Height() < 1 || Areas[i].Width() > 720 || Areas[i].Height() > 576)
+            return oeWrongAreaSize;
          TotalMemory += Areas[i].Width() * Areas[i].Height() / (8 / Areas[i].bpp);
          }
      if (TotalMemory > osdMem)