diff -r 67c9f88b13c7 -r 51206020cfbe dav/sync.c
--- a/dav/sync.c	Tue Oct 15 09:09:07 2019 +0200
+++ b/dav/sync.c	Tue Oct 15 09:22:57 2019 +0200
@@ -3697,6 +3697,7 @@
     if(digits > 127) {
         fprintf(stderr, "Too many parts\n");
         *err = 1;
+	free(buffer);
         return NULL;
     }