CVE-2018-18512
A use-after-free vulnerability can occur while playing a sound notification in Thunderbird. The memory storing the sound data is immediately freed, although the sound is still being played asynchronously, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5. Date published : 2019-04-26 https://bugzilla.mozilla.org/show_bug.cgi?id=1482659