Heap Buffer Overflow in Thunderbird's iCal Parser
CVE-2019-11703 · CRITICAL Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
A flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in parser_get_next_char when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7.1.
Learn more about our Web Application Penetration Testing UK.