diff -up rpm-4.16.1.3/tools/hashtab.c.orig rpm-4.16.1.3/tools/hashtab.c

--- rpm-4.16.1.3/tools/hashtab.c.orig	2021-07-01 14:51:24.576237269 +0200

+++ rpm-4.16.1.3/tools/hashtab.c	2021-07-01 15:02:42.005754968 +0200

@@ -292,7 +292,8 @@ htab_expand (htab)

     }

   while (p < olimit);

-  free (oentries);

+  if (oentries != htab->entries)

+    free(oentries);

   return 1;

 }