CVE-2018-18498

A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64. Date published : 2019-02-28 http://www.securityfocus.com/bid/106168

https://bugzilla.mozilla.org/show_bug.cgi?id=1500011