CVE-2019-11703

Critical

Description

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.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Mozilla Thunderbird

PublishedJul 23, 2019

First seenJul 23, 2019

How to fix

Update

mozilla thunderbird60.7.1 or later

Vendor advisories

security.gentoo.org/glsa/201908-20

Affected products

Product	Affected versions	Fixed in
mozilla thunderbird	v < 60.7.1	60.7.1

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