CVE-2018-5091: Mozilla: Use-after-free with DTMF timers (MFSA 2018-03)

Severity: Critical

CVSS Score: 9.8

A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF timers. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Firefox < 58.