--- inflate.c.orig	Wed Jul 30 10:31:08 2008
+++ inflate.c	Mon Jan 13 18:09:38 2025
@@ -1018,7 +1018,7 @@ unsigned bl, bd;        /* number of bits decoded by t
           if ((unsigned)w - d >= e)
           /* (this test assumes unsigned comparison) */
           {
-            memcpy(redirSlide + (unsigned)w, redirSlide + d, e);
+            memmove(redirSlide + (unsigned)w, redirSlide + d, e);
             w += e;
             d += e;
           }
