CVE-2018-5102: Mozilla: Use-after-free in HTML media elements (MFSA 2018-03)

Severity: Critical

CVSS Score: 9.8

A use-after-free vulnerability can occur when manipulating HTML media elements with media streams, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.