Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 60.7.2. Security Fix: * Mozilla: Type confusion in Array.pop * thunderbird: Stack buffer overflow in icalrecur_add_bydayrules in icalrecur.c * Mozilla: Sandbox escape using Prompt:Open * thunderbird: Heap buffer over read in icalparser.c parser_get_next_char * thunderbird: Heap buffer overflow in icalmemory_strdup_and_dequote function in icalvalue.c * thunderbird: Type confusion in icaltimezone_get_vtimezone_properties function in icalproperty.c For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.