1 files changed, 6 insertions, 2 deletions
diff --git a/tools/source/stream/stream.cxx b/tools/source/stream/stream.cxx
index 88b320edc63e..da91a21a6b82 100644
--- a/tools/source/stream/stream.cxx
+++ b/tools/source/stream/stream.cxx
@@ -1899,9 +1899,13 @@ bool SvMemoryStream::ReAllocateMemory( long nDiff )
             if( nEndOfData >= nNewSize )
                 nEndOfData = nNewSize-1L;
         }
-        else if (nSize != 0)
+        else
         {
-            memcpy( pNewBuf, pBuf, (size_t)nSize );
+            if (nSize != 0)
+            {
+                memcpy( pNewBuf, pBuf, (size_t)nSize );
+            }
+            memset(pNewBuf + nSize, 0x00, nNewSize - nSize);
         }
 
         FreeMemory();