An attacker could have caused a use-after-free in the JavaScript engine to read memory in the JavaScript string section of the heap. This vulnerability affects Firefox < 127.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "127",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]