### [CVE-2019-11704](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11704) ![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=%3C%2060.7.1%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=Heap%20buffer%20overflow%20in%20icalvalue.c&color=brighgreen) ### Description A flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in icalmemory_strdup_and_dequote when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7.1. ### POC #### Reference No PoCs from references. #### Github - https://github.com/alphaSeclab/sec-daily-2019