During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "93.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "91.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "91.2"
}
]
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-38498.json"