A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "67.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "60.7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "60.7.0"
}
]
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9820.json"