CVE-2018-5155: Mozilla: Use-after-free with SVG animations and text paths

Severity: Critical

CVSS Score: 9.8

A use-after-free vulnerability can occur while adjusting layout during SVG animations with text paths. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.