A compromised child process could have injected XBL Bindings into privileged CSS rules, resulting in arbitrary code execution and a sandbox escape. This vulnerability affects Firefox < 70.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "70",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]