libical: Stack buffer overflow in icalrecur_add_bydayrules in icalrecur.c

A flaw in Thunderbird's implementation of iCal causes a stack buffer overflow in icalrecuraddbydayrules when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7.1...

Mozilla Thunderbird Stack Buffer Overflow Vulnerability

Mozilla Thunderbird is the United States Mozilla Foundation's set of independent from the Mozilla Application Suite e-mail client software. The program supports IMAP, POP mail protocols and HTML mail format. A buffer overflow vulnerability exists in the icalrecur.c file in Mozilla Thunderbird...