Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "100.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "91.9"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "91.9"
}
]
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-29916.json"