A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "67",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]