https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14952
http://bugs.icu-project.org/trac/changeset/40324
--- i18n/zonemeta.cpp.orig	2016-06-15 18:58:17.000000000 +0000
+++ i18n/zonemeta.cpp	2017-10-24 01:32:39.000000000 +0000
@@ -683,7 +683,6 @@
                     mzMappings = new UVector(deleteOlsonToMetaMappingEntry, NULL, status);
                     if (U_FAILURE(status)) {
                         delete mzMappings;
-                        deleteOlsonToMetaMappingEntry(entry);
                         uprv_free(entry);
                         break;
                     }