--- a/poppler/CairoOutputDev.cc
+++ b/poppler/CairoOutputDev.cc
@@ -1605,7 +1605,7 @@ void CairoOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
   cairo_matrix_t matrix;
   int is_identity_transform;
   
-  buffer = (unsigned char *)gmalloc (width * height * 4);
+  buffer = (unsigned char *)gmallocn (width, height * 4);
 
   /* TODO: Do we want to cache these? */
   imgStr = new ImageStream(str, width,